I want to increment the global variable when i call a function but its giving me an error can some body help me out

Question

x=0

def main():
print(x)
x+=1

def check():
for I in range(10):
main()

check()

expected output:
0 1 2 3 4 5 6 7 8 9 10

actual outpu:

UnboundError: Local variable referenced before assignment

Answer 1

Add "global x" at the beginning of the function main()