programmatic Junos set command generation, to eliminate tedious/manual repetitive policy creation

setgen.py

#!/usr/bin/env python3

basecommand = input('Enter base command, with "%" in place of iterables: ')
start = int(input('Enter range start (inclusive): '))
end = int(input('Enter range end (inclusive): '))
print("\n")
for i in range(start,end+1):
    print(basecommand.replace("%", str(i)))
# print("\n%s" % basecommand)
print("\n")