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17 lis 2014 · Your specific issue of NameError: name 'guess' is not defined is because guess is defined in your main function, but the while loop that it is failing on is outside of that function. Your indention is entirely wrong for this application. If you want your while guess != number: to work, you need to make it part of main.
11 lut 2013 · The solution to this problem is to invoke your classes and functions after you define them. Python does not have any way to forward declare classes or methods so the only option is to put the invocations of functions at the end of the program rather than the beginning.
2 lip 2020 · The Python NameError occurs when Python cannot recognise a name in your program. A name can be either related to a built-in function or to something you define in your program (e.g. a variable or a function).
16 lut 2015 · The first thing you need to understand is the error message you are seeing: NameError is a Python exception and is not related to Pandas in this case. You can get exactly the same error by trying to use any name which the interpreter doesn't know about:
19 lut 2024 · The nameerror name is not defined error in Python typically happens due to one of the following reasons: Misspelled Names: If you inadvertently misspell a variable or function name, Python won’t be able to recognize it. Undefined Names: Attempting to use a variable or function before it’s defined leads to a NameError.
8 kwi 2024 · The "NameError: name is not defined" error occurs for multiple reasons: Accessing a variable that doesn't exist. Accessing a variable, function or class before it is declared. Misspelling the name of a variable, a function or a class (names are case-sensitive). Not wrapping a string in quotes, e.g. print (hello).
9 wrz 2020 · You will encounter a nameerror ( name is not defined) when a variable is not defined in the local or global scope. Or you used a function that wasn’t defined anywhere in your program. For example, you will see this error if you try to print a variable that wasn’t defined.
