2024 Nameerror name

What is a NameError? A NameError is raised when you try to use a variable or a function name that is not valid. In Python, code runs from top to bottom. This means that you cannot declare a variable after you try to use it in your code. Python would not know what you wanted the variable to do. The most common NameError looks like this:. 11 digit ndc lookup

1. Solution: stop copying random code from other places and wonder why it does not work. Instead write code yourself that you do understand. Having globals is very often a very bad idea, particularly if you do not know what you are doing and how to build a somewhat clean application. – luk2302. Sep 21, 2022 at 8:40.NameError: name '_mysql' is not defined after setting change to mysql 3 Django connect mysql problem, NameError: name '_mysql' is not defined3 Answers. Sorted by: 1. The while loop currently will run forever because the case is always true, newTask == "y". In order to exit the loop newTask needs to be set to something other than "y" causing the case to become false, newTask = "n". On the other hand it appears that your program doesn't need to be within a newTask while loop at all ...However, you can remove the unicode () call altogether; open () produces a file object that already decodes data to Unicode for you. You probably want to tell it what codec to use, explicitly: fileMain = open ("dictionary_15k.txt", "r", encoding="utf-8") for line1 in fileMain: dictWords.append (line1.strip ()) You may want to switch to Python 2 ...NameError: name 'db' is not defined. Ask Question Asked 3 years, 3 months ago. Modified 3 years, 3 months ago. Viewed 3k times 0 I've made a simple code using python ...Jun 30, 2022 · NameError: name '_mysql' is not defined after setting change to mysql 3 Django connect mysql problem, NameError: name '_mysql' is not defined Jan 11, 2023 · NameError: name ‘screen’ is not defined. Did you mean: ‘Screen’? 21st January 2023; ImportError: cannot import name ‘screen’ from ‘turtle’ 21st January 2023; ModuleNotFoundError: No module named ‘Turtle’ 21st January 2023; Python Quiz Code Sachin Vs Virat 2023 21st January 2023; NameError: name ‘Self’ is not defined. Aug 24, 2020 · NameError: name is not defined. In python, nameerror name is not defined is raised when we try to use the variable or function name which is not valid. Example: value = ['Mango', 'Apple', 'Orange'] print(values) After writing the above code, Ones you will print “ values ” then the error will appear as a “ NameError: name ‘values’ is ... 1. global bgcolor does not define, declare, or otherwise create a variable. It simply states that a global variable by that name, not a local variable, should be used. You still need to ensure it is defined before your first use in DISPLAYSURF.fill (bgcolor). Specifically, you need to assign a value to the variable before the first time you ...3 Answers. The recommended way to use MySQL with Django is to install mysqlclient instead of mysql-connector-python. If you use mysql-connector-python, then you need to change the ENGINE to 'mysql.connector.django' in your DATABASES setting ( docs )."NameError: name 'token' is not defined. I am writing a token generator, (like a password generator) and I made a function called buy_tokens(token). Even after the function, it does not read the parameter that is passed in the buy_token function. To understand better, read the code:The Python "NameError: name 'plt' is not defined" occurs when we use the pyplot module without importing it first. To solve the error, install matplotlib and import plt (import matplotlib.pyplot as plt) before using it. Open your terminal in your project's root directory and install the matplotlib module. shell.Causes of the NameError: name not defined. The following are the most common causes due to which you receive the NameError: name not defined: Misspelled variable or function name. Try to call a variable or function before the declaration. Forget to define a variable. Try to access a local variable. Try to print a single word.NameError: name 'geek' is not defined. 3. Defining variable after usage: In the following example, even though the variable geek is defined in the program, it is defined after its usage. Since Python interprets the code from top to bottom, this will raise NameErrorFeb 1, 2023 · To solve the error, we have to import the random module. main.py. # import random module first import random n1 = random.randint(1, 10) print(n1) s1 = random.choice(['a', 'b', 'c']) print(s1) Even though the random module is in the Python standard library, we still have to import it before using it. Make sure you haven't used a capital letter r ... Jan 3, 2023 · To solve the error, make sure you will need to make sure that you need to type the correct spelling in your code. In this case, you should replace Type (Capital T) with the type (Small t), and then run the code again., for more clarification please see the below example. Dec 27, 2022 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams Jan 11, 2023 · NameError: name ‘screen’ is not defined. Did you mean: ‘Screen’? 21st January 2023; ImportError: cannot import name ‘screen’ from ‘turtle’ 21st January 2023; ModuleNotFoundError: No module named ‘Turtle’ 21st January 2023; Python Quiz Code Sachin Vs Virat 2023 21st January 2023; NameError: name ‘Self’ is not defined. I try to compile this code but I get this errror : NameError: name 'dtype' is not defined. Here is the python code : # -*- coding: utf-8 -*- from __future__ import division import pandas as pd import numpy as np import re import missingno as msno from functools import partial import seaborn as sns sns.set (color_codes=True) if dtype (data.OPP ...You should use raw_input because you are using python-2.7. When you use input () on a variable (for example: s = input ('Name: ') ), it will execute the command ON the Python environment without saving what you wrote on the variable ( s) and create an error if what you wrote is not defined. To fix this error, you can either access pandas using the name that you have used in the import statement or import pandas without an alias. import pandas as pd. # create a dataframe. df = pd.DataFrame( {. 'Name': ['Jim', 'Pam', 'Dwight'], 'Age': [25, 26, 28] }) # display the dataframe. May 17, 2018 · NameError: name 'dtype' is not defined Here is the python code : # -*- coding: utf-8 -*- from __future__ import division import pandas as pd import numpy as np import ... try: # Python 2 forward compatibility range = xrange except NameError: pass # Python 2 code transformed from range (...) -> list (range (...)) and # xrange (...) -> range (...). The latter is preferable for codebases that want to aim to be Python 3 compatible only in the long run, it is easier to then just use Python 3 syntax whenever possible ...The above code defines a function named “name” using the keyword “def”. This function is accessed and returns the value “5” successfully. But when we tried to access a sample() function, we encountered the “NameError”, which shows that the “name ‘sample’ is not defined”. This is because this function does not exist in ...Traceback (most recent call last): File "simple.py", line 4, in <module> class Simple (object): File "simple.py", line 9, in Simple for i in xrange (self.a): NameError: name 'self' is not defined. Python interprets the loop code in the execution scope of the class body. Whatever ends up in the namespace after executing the code in the class ...Oct 21, 2012 · Track = models.get_model (app_name, model_name) else: class Track (AudioTrack): pass class Genre_Track (models.Model): #links genre to tracks audio_track = models.ForeignKey (AudioTrack) genre = models.ForeignKey (Genre) Where is the line throwing this error? Do you have a function named _ defined in that context? Our code returns [0, 1, 2], which is all the numbers in the range of 0 and 3 (exclusive of 3). The xrange() function returns a list of numbers.. Python 3 removed the xrange() function in favor of a new function called range().Jun 6, 2021 · Add a comment. 1. Chepner is correct. You have to call calculate_ticket_price in your init function. The proper syntax is using the super keyword. Example: class Customer (TicketMixin): """ Create instance of Customer """ def __init__ (self, name, age,): self.name = name self.age = age self.price = super ().calculate_ticket_price (self.age) def ... Mar 20, 2016 · However, you can remove the unicode () call altogether; open () produces a file object that already decodes data to Unicode for you. You probably want to tell it what codec to use, explicitly: fileMain = open ("dictionary_15k.txt", "r", encoding="utf-8") for line1 in fileMain: dictWords.append (line1.strip ()) You may want to switch to Python 2 ... How to fix NameError: name ‘Y’ is not defined? we use the input () function for user input but input is a string or text, not a code so in our case we need to convert the code Y in to string “Y” then we are able to fix this error, for more clarification please see the above example. For more information Visit Amol Blog Code YouTube Channel.Dec 27, 2022 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams 3 Answers. Sorted by: 1. The while loop currently will run forever because the case is always true, newTask == "y". In order to exit the loop newTask needs to be set to something other than "y" causing the case to become false, newTask = "n". On the other hand it appears that your program doesn't need to be within a newTask while loop at all ...You should use raw_input because you are using python-2.7. When you use input () on a variable (for example: s = input ('Name: ') ), it will execute the command ON the Python environment without saving what you wrote on the variable ( s) and create an error if what you wrote is not defined.You should use raw_input because you are using python-2.7. When you use input () on a variable (for example: s = input ('Name: ') ), it will execute the command ON the Python environment without saving what you wrote on the variable ( s) and create an error if what you wrote is not defined. 1 Answer. Sorted by: 1. You didn't define p1, well you defined it, but in a function, so it's a local variable, not global. # Don't define it in any command p1 = user ('imaad', 'd', 'd', 5, 5, 2, 2, 2, 2,2 ,2) @bot.command () async def test1 (ctx): await ctx.send (p1.name) Also I don't understand your inconsistency, in one command you're using ...Feb 2, 2023 · if i use 'print' in fist cell, i can see the data from 'data_df'. the problem is when i wolf like use in another cell into jupyterlab. – Carlos. Feb 2 at 21:16. 1. 'NameError: name 'data_df ' is not defined'. Note the extra space after data_df in that message. Maybe you put an extra space in the cell with the code that plots the graphics? Sep 1, 2023 · Causes of the NameError: name not defined. The following are the most common causes due to which you receive the NameError: name not defined: Misspelled variable or function name. Try to call a variable or function before the declaration. Forget to define a variable. Try to access a local variable. Try to print a single word. 13. So as a full answer: If you use the python package mysqlclient you still need to install the mysql client from Oracle/MySQL. This contains the C-library that the python package uses. To make things more confusing: the python package is in fact written in C for speed increases. To install this library on MacOS:You file execute.py permits someone to exec() arbitrary code (here be dragons). In this case, the code includes an alias tk that is unknow in the context of execute.py.. Either execute.py needs to import and set this alias or the text file contents of self.input needs to do that.line 37, in <module> for i in word: NameError: name 'word' is not defined. when I try to run this program. Here is the relevant code: def Pig_word0 (word): "" "This is a function which can make string translate to pig latin and first letter become capital." "" # Determined string include a, e, i, o, u or not Prefix = [] for i in word: if i in ...Oct 24, 2019 · The fix is easy: define the __file__ variable to the name of the py module you are testing. In the interpreter type: __file__ = 'modulename.py'. Then run the script again. This method has never caused an issue for me. Share. And also: "NameError: name 'price_buy' is not defined". The code is generating a list of random numbers. import numpy as np # This function generates a list of numbers under certain rules def num_var_list (): global number_list, number_exit, number_target number_list = [] number_target = number_exit num_max_robot = (number_target * 20) / 100 ...Sep 26, 2020 · class GameLogic (object): def __init__ (self): self._player = Player (7) class Player (object): def __init__ (self,move_count): self.move_count = move_count. This is not my original code. I simplified my original code to show my mistake. Part of my original code is down below. class GameLogic: def __init__ (self, dungeon_name="game1.txt ... 1. Solution: stop copying random code from other places and wonder why it does not work. Instead write code yourself that you do understand. Having globals is very often a very bad idea, particularly if you do not know what you are doing and how to build a somewhat clean application. – luk2302. Sep 21, 2022 at 8:40.In Python 2.x input is basically doing eval (input ()). You can read up on eval here. Basically it tries to evaluate the given expression. Since numbers and strings are expressions themselves, it will try to run your h input as literally h instead of a str. Once again use raw_input () to avoid this in Python 2.x. In Python 2.x input is basically doing eval (input ()). You can read up on eval here. Basically it tries to evaluate the given expression. Since numbers and strings are expressions themselves, it will try to run your h input as literally h instead of a str. Once again use raw_input () to avoid this in Python 2.x. Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams Jul 27, 2022 · NameError: name 'Your' is not defined Most beginners make these types of mistakes and sometimes find it hard to find a solution. One more thing that beginners make ... Oct 15, 2020 · Our code returns [0, 1, 2], which is all the numbers in the range of 0 and 3 (exclusive of 3). The xrange() function returns a list of numbers.. Python 3 removed the xrange() function in favor of a new function called range(). Reloading updates module variables, but does not remove old ones, so if you rename something the old name will still exist. If you change class definitions, existing objects will still have the old type.NameError: name is not defined. In python, nameerror name is not defined is raised when we try to use the variable or function name which is not valid. Example: value = ['Mango', 'Apple', 'Orange'] print(values) After writing the above code, Ones you will print “ values ” then the error will appear as a “ NameError: name ‘values’ is ...Jan 26, 2020 · 1. It has has to do with how you imported the json module. By using the * notation, you are importing everything in the json module. When importing a module in this way, you do not need to specify the module a function came from. When importing, you have two options, import the module (and reference the module name when using it), or import ... 1 import logging as lg. 3 # log a warning message "Watch out!" ----> 4 logging.warning ('Watch out!') NameError: name 'logging' is not defined. We get a NameError: name 'logging' is not defined. This is because we have imported the logging module with the name lg but we’re trying to use it using the name logging.How to fix NameError: name ‘Y’ is not defined? we use the input () function for user input but input is a string or text, not a code so in our case we need to convert the code Y in to string “Y” then we are able to fix this error, for more clarification please see the above example. For more information Visit Amol Blog Code YouTube Channel.NameError: name 'XXX' is not defined. I have a function def viterbi (). One of the input variabless is sequence. Later on in the function I am calling sequence. However, by doing so, it returns: def viterbi (sequence, p_start=None, p_trans=None, p_stop=None, p_emiss=None): length = len (sequence) num_states = len (p_start) best_path ...Jan 14, 2011 · I'd recommend putting a import pdb;pdb.set_trace () first in the InfraPy.py file to make sure you are in the right file, and step through the definition of InfraPy.py to see what is happening. If you don't get a breakpoint, you are importing another file than you think. You can also dir (InfraPy) after importing it, and check which file you are ... line 37, in <module> for i in word: NameError: name 'word' is not defined. when I try to run this program. Here is the relevant code: def Pig_word0 (word): "" "This is a function which can make string translate to pig latin and first letter become capital." "" # Determined string include a, e, i, o, u or not Prefix = [] for i in word: if i in ...Jun 30, 2015 · line 37, in <module> for i in word: NameError: name 'word' is not defined. when I try to run this program. Here is the relevant code: def Pig_word0 (word): "" "This is a function which can make string translate to pig latin and first letter become capital." "" # Determined string include a, e, i, o, u or not Prefix = [] for i in word: if i in ... The fix is easy: define the __file__ variable to the name of the py module you are testing. In the interpreter type: __file__ = 'modulename.py'. Then run the script again. This method has never caused an issue for me. Share.Feb 15, 2019 · The clue is in the error: NameError, on line 5 where you call pd.DataFrame, because there is no import statement, Python does not know what the "name" pd means. Share Improve this answer See full list on careerkarma.com NameError: name 'XXX' is not defined. I have a function def viterbi (). One of the input variabless is sequence. Later on in the function I am calling sequence. However, by doing so, it returns: def viterbi (sequence, p_start=None, p_trans=None, p_stop=None, p_emiss=None): length = len (sequence) num_states = len (p_start) best_path ...BPO 39513 Nosy @vsajip, @vstinner, @serhiy-storchaka, @tirkarthi Superseder bpo-26789: logging: Trying to log during Python finalization with NameError: name 'open' is not defined Note: these values reflect the state of the issue at the ...9 hours ago · Python NameError: name '' is not defined (though it sure seems like it is) Load 4 more related questions Show fewer related questions Sorted by: Reset to ... The Python interpreter throws the NameError exception if it encounters an undefined variable or function name. To fix it, you must figure out why the variable is not defined—the most frequent bugs are (1) to use the variable or function name in the code before it was defined, or (2) to misspell the name in either the definition or the usage.Dec 27, 2022 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams 13. So as a full answer: If you use the python package mysqlclient you still need to install the mysql client from Oracle/MySQL. This contains the C-library that the python package uses. To make things more confusing: the python package is in fact written in C for speed increases. To install this library on MacOS:First of all, try creating a minimal reproducible example by isolating parts of your code until you isolate the exact lines/modules/packages creating the problem. The Stacktrace already helps, because now we know that it is a problem when calling the pydot.graph_from_dot_data method.In Python 2.x input is basically doing eval (input ()). You can read up on eval here. Basically it tries to evaluate the given expression. Since numbers and strings are expressions themselves, it will try to run your h input as literally h instead of a str. Once again use raw_input () to avoid this in Python 2.x.The Python "NameError: name 'plt' is not defined" occurs when we use the pyplot module without importing it first. To solve the error, install matplotlib and import plt (import matplotlib.pyplot as plt) before using it. Open your terminal in your project's root directory and install the matplotlib module. shell.Oct 24, 2019 · The fix is easy: define the __file__ variable to the name of the py module you are testing. In the interpreter type: __file__ = 'modulename.py'. Then run the script again. This method has never caused an issue for me. Share. Let’s now look at the above scenarios in detail. The scipy module is not imported. It can happen that you are trying to use the scipy module without even importing it. This is because Python does not recognize the scipy library and its functions until it is imported into the code. 0. You should insert a cell just before your present code cell and then type the following code. from sklearn.base import BaseEstimator, TransformerMixin. class DataFrameSelector (BaseEstimator, TransformerMixin): def __init__ (self, attribute_names): self.attribute_names = attribute_names def fit (self, X, y=None): return self def transform ... The fix is easy: define the __file__ variable to the name of the py module you are testing. In the interpreter type: __file__ = 'modulename.py'. Then run the script again. This method has never caused an issue for me. Share.Aug 30, 2021 · I though removing the SELF would have resolved the issue quicker and cleaner, although at this stage I dont really care if the SELF is there or not. In that case how would I define 1) "self._request" 2) def _request (self, method, uri, timeout=5, auth=True, params=None) – hdsouza. Sep 2, 2021 at 14:00. Add a comment. Jan 11, 2023 · NameError: name ‘screen’ is not defined. Did you mean: ‘Screen’? 21st January 2023; ImportError: cannot import name ‘screen’ from ‘turtle’ 21st January 2023; ModuleNotFoundError: No module named ‘Turtle’ 21st January 2023; Python Quiz Code Sachin Vs Virat 2023 21st January 2023; NameError: name ‘Self’ is not defined. Our code returns [0, 1, 2], which is all the numbers in the range of 0 and 3 (exclusive of 3). The xrange() function returns a list of numbers.. Python 3 removed the xrange() function in favor of a new function called range().I have a Python version 3.3.0 and I am not sure why it does not let me do long for b and m here... I tried to look up the answers on here and but nothing helped...thanks. NameError: global name 'long' is not defined power = long (b) % long (m) There's no more long. Let it go (BTW, int is the new long)Jun 19, 2013 · try: # Python 2 forward compatibility range = xrange except NameError: pass # Python 2 code transformed from range (...) -> list (range (...)) and # xrange (...) -> range (...). The latter is preferable for codebases that want to aim to be Python 3 compatible only in the long run, it is easier to then just use Python 3 syntax whenever possible ... NameError: name 'XXX' is not defined. I have a function def viterbi (). One of the input variabless is sequence. Later on in the function I am calling sequence. However, by doing so, it returns: def viterbi (sequence, p_start=None, p_trans=None, p_stop=None, p_emiss=None): length = len (sequence) num_states = len (p_start) best_path ...今回はPythonのNameErrorについて解説します。 1. NameErrorとは 2. NameErrorの対応方法 3. まとめ関連記事 1. NameErrorとは NameErrorはPythonの組み込み例外の1つで、「名前が見つからなかった」というエラーです。このエラーは、変数や関数などを参照した…In Python 2.x input is basically doing eval (input ()). You can read up on eval here. Basically it tries to evaluate the given expression. Since numbers and strings are expressions themselves, it will try to run your h input as literally h instead of a str. Once again use raw_input () to avoid this in Python 2.x.Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsAnd also: "NameError: name 'price_buy' is not defined". The code is generating a list of random numbers. import numpy as np # This function generates a list of numbers under certain rules def num_var_list (): global number_list, number_exit, number_target number_list = [] number_target = number_exit num_max_robot = (number_target * 20) / 100 ...Apr 14, 2022 · 1. First thing first: always try to avoid using the global keyword. It causes instability i code as it gets longer and complex. Anyways, your code says global is not defined because you don't have the global variable named browser defined outside of the function scopes. Remove the global keyword. Actually, I found the solution to this. If we use the import from __future__ import annotations it will read the file and it won't have that problem, so we can reference different things in the order that we want.3 Answers. The recommended way to use MySQL with Django is to install mysqlclient instead of mysql-connector-python. If you use mysql-connector-python, then you need to change the ENGINE to 'mysql.connector.django' in your DATABASES setting ( docs ).You have imported the math module using a different name. How to fix the NameError: name 'math' is not defined? The math library in Python is a built-in module that provides various mathematical operations and functions. It includes functions for basic arithmetic operations, trigonometric functions, logarithmic functions, and more. 1 Answer. Sorted by: 1. You didn't define p1, well you defined it, but in a function, so it's a local variable, not global. # Don't define it in any command p1 = user ('imaad', 'd', 'd', 5, 5, 2, 2, 2, 2,2 ,2) @bot.command () async def test1 (ctx): await ctx.send (p1.name) Also I don't understand your inconsistency, in one command you're using ...Jun 13, 2017 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams I'd recommend putting a import pdb;pdb.set_trace () first in the InfraPy.py file to make sure you are in the right file, and step through the definition of InfraPy.py to see what is happening. If you don't get a breakpoint, you are importing another file than you think. You can also dir (InfraPy) after importing it, and check which file you are ...

Solution: NameError: Name ‘Spark’ is not Defined in PySpark. Since Spark 2.0 'spark' is a SparkSession object that is by default created upfront and available in Spark shell, PySpark shell, and in Databricks however, if you are writing a Spark/PySpark program in .py file, you need to explicitly create SparkSession object by using builder to resolve NameError: Name 'Spark' is not Defined. . Sherwin williams epoxy flake color chart

Nov 23, 2019 · 1 Answer. In Python 3.x, use int instead of long. PEP 237: Essentially, long renamed to int. That is, there is only one built-in integral type, named int; but it behaves mostly like the old long type. # NameError: name 'X' is not defined in Python. The Python "NameError: name is not defined" occurs when we try to access a variable or a function that is not defined or before it is defined. To solve the error, make sure you haven't misspelled the variable's name and access it after it has been declared.May 17, 2018 · NameError: name 'dtype' is not defined Here is the python code : # -*- coding: utf-8 -*- from __future__ import division import pandas as pd import numpy as np import ... To solve the error, we have to import the random module. main.py. # import random module first import random n1 = random.randint(1, 10) print(n1) s1 = random.choice(['a', 'b', 'c']) print(s1) Even though the random module is in the Python standard library, we still have to import it before using it. Make sure you haven't used a capital letter r ...NameError: name 'db' is not defined. Ask Question Asked 3 years, 3 months ago. Modified 3 years, 3 months ago. Viewed 3k times 0 I've made a simple code using python ...NameError: global name 'xrange' is not defined in Python 3. 370. Could not find a version that satisfies the requirement tensorflow. 185. NameError: global name ... 1,610 1 8 28. Add a comment. -1. S is not defined in the global scope, where you're trying to use it (Note that K, r, t, and sigma are also not defined in the global scope and will cause similar errors). Try either defining these variables in the global scope or moving any line that uses them into a function where they are defined.2. TLDR; use this command=app.destroy instead of this command=quito. quit is not defined occurs because the function quito doesn't have access to such variable named quit hence not defined . Assign the command at the quit button to point to app.destroy like so - command=app.destroy that supposed to work because you provide an instance of the ...Apr 14, 2022 · 1. First thing first: always try to avoid using the global keyword. It causes instability i code as it gets longer and complex. Anyways, your code says global is not defined because you don't have the global variable named browser defined outside of the function scopes. Remove the global keyword. May 26, 2023 · NameError is a kind of error in Python that occurs when executing a function, variable, library, or string without quotes that have been typed in the code without any previous Declaration. When the interpreter, upon execution, cannot identify the global or local name throws a NameError. 9 hours ago · Python NameError: name '' is not defined (though it sure seems like it is) Load 4 more related questions Show fewer related questions Sorted by: Reset to ... How to fix NameError: name ‘Y’ is not defined? we use the input () function for user input but input is a string or text, not a code so in our case we need to convert the code Y in to string “Y” then we are able to fix this error, for more clarification please see the above example. For more information Visit Amol Blog Code YouTube Channel.The Python interpreter throws the NameError exception if it encounters an undefined variable or function name. To fix it, you must figure out why the variable is not defined—the most frequent bugs are (1) to use the variable or function name in the code before it was defined, or (2) to misspell the name in either the definition or the usage.Feb 1, 2023 · The Python "NameError: name 'plt' is not defined" occurs when we use the pyplot module without importing it first. To solve the error, install matplotlib and import plt (import matplotlib.pyplot as plt) before using it. Open your terminal in your project's root directory and install the matplotlib module. shell. Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsThe clue is in the error: NameError, on line 5 where you call pd.DataFrame, because there is no import statement, Python does not know what the "name" pd means. Share Improve this answer.

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