global

Question

What does global do?

I keep seeing: global *something here*
I want to know what the point is for this funtion

Answer 1

"""a variable declared outside of the function or in global scope is known as global variable...

global variable can be accessed inside and outside of function...

example : """

x = 10 #x is global
def func():
x = x*2
print(x)
func()

#👆this code will cause error
#because local variable "x" is not declared inside function....

#to use the outside value of x inside func()
#u need to do...

x = 10
def func():
global x
x = x*2
print(x)
func()

#I hope this is what u were asking.. :)

Answer 2

Oooohhhhhh, I saw a game code that used def and global a lot. I'm building an A.I right now and when I test certain parts it wouldn't work because something was not defined but it was defined before but in a func