def push(a,stack):
stack=[a]+stack
return stack
def reverse(arr):
res=[]
for a in arr:
res=push(a,res)
return res
x=[1,2,3,4,5]
rx=reverse(x)
print(str(rx))
ZGVmIHB1c2goYSxzdGFjayk6CiAgICBzdGFjaz1bYV0rc3RhY2sKICAgIHJldHVybiBzdGFjawoKZGVmIHJldmVyc2UoYXJyKToKICAgIHJlcz1bXQogICAgZm9yIGEgaW4gYXJyOgogICAgICAgIHJlcz1wdXNoKGEscmVzKQogICAgcmV0dXJuIHJlcwoKeD1bMSwyLDMsNCw1XQpyeD1yZXZlcnNlKHgpCnByaW50KHN0cihyeCkpCgo=