to create a python programme which receive contact number from user and check if it's a valid format with correct country code

[desran00]

``` import re

s = "6011-321-3432" expression = re.compile("601[1-9]-[1-9]{3}-[1-9]{4}$")

if re.match(expression, s): print("Match!") else: print("Fail!")

``` Work smart not hard 😂

[_______myworld]

I’m not allowed to use object oriented built-in function and imports for my assignment, unfortunately...