How to get a var change from function in python?

Question

For example:
def ho(y):
y =y+3
return y
def hoho():
y=5
ho(y)
print(y)
hoho()

>>5
Why not 8? How to get 8 in this type of code?

Answer 1

After y=5 please change to
y=ho(y)

Answer 2

Thank you! 😀