python pass callable code example
Example: send function as parameter python
l = [1,2,3,4,5]
#already change the var
def chng(f,val):
f(val)
chng(l.append,8)
chng(l.remove,4)
def chng2(f,lis,val):
f(lis,val)
chng(list.append,l,8)
chng(list.remove,l,4)