local variable 'and' referenced before assignment

А ошибка local variable referenced before assignment означает, что переменная, которую вы вызываете не объявлена.

This error occurs when a local variable is referenced before it has been assigned a value within a function or method. This error typically surfaces when utilizing try …

This error is a type of UnboundLocalError, which is raised when a local variable is referenced before it has been assigned in the local scope. Here's a simple example: def foo (): print (x) x = 1 foo()

The UnboundLocalError: local variable 'x' referenced before assignment occurs when you reference a variable inside a function before declaring that variable. To resolve this error, you need to use a different …

This error message is raised when a variable is referenced before it has been assigned a value within the local scope of a function, even though it is a global variable. Here’s an example to help illustrate the problem:

In this post, we learned at how to avoid the local variable referenced before assignment error in Python. The error stems from trying to refer to a variable without an assigned value, so either make use of a global …