Jul 11, 2016 · How do I create or use a global variable inside a function? How do I use a global variable that was defined in one function inside other functions? Failing to use the global …

Defining a variable on the module level makes it a global variable, you don't need the global keyword. The second example is correct usage. However, the most common usage for global …

Aug 8, 2012 · However, when that line is encountered inside a function, it creates a local reference bar unless you say global bar. In effect, you have two different variables named bar: …

May 13, 2021 · I understand using a global variable is sometimes the most convenient thing to do, especially in cases where usage of class makes the easiest thing so much harder (e.g., …

If instead of thinking of a "global variable" as being a "global" variable and instead think of it as a "module" variable - then things become clear. You can import things from a module from other …

If you don't assign to a in the function (as with printA ()) then Python uses the global variable A. To mark a variable as global you need to use the global keyword in Python, in the scope that …

Dec 30, 2009 · Instead of setting a module global variable directly, use a mutable type at the module global level, and store your values inside it. In your functions, the global variable name …

Oct 3, 2013 · I'm trying to find out why the global keyword is considered bad practice in Python (and programming in general). Can somebody explain? Links with more info would also be …

A normal variable is only usable inside of a function, a global variable can be called for outside the function, but don't use this if you don't need to, it can create errors and big programming …

The scope of the variable is local to the block unless defined explicitly using keyword global. There is another way to access the global variable local to a function using the globals …