my_test_code_1.py

#!/usr/bin python

sf_gw1 = '172.31.255.1/24'

sf_gw2 = input('Enter IP address: ')

print()
print(f'{"sf_gw1":^20} {"sf_gw2":^20}')
print(f"{'-' * 20:^20} {'-' * 20:^20}")
print(f"{sf_gw1:^20} {sf_gw2:^20}")
print()