#!/usr/bin/env python
# -*- coding: utf8 -*-
import sys
def get_int(value):
try:
value = int(value)
except:
print 'This is no INTEGER(!) value:', value
sys.exit(1)
else:
return value
if len(sys.argv) == 3:
min_value = get_int(min(sys.argv[1:]))
max_value = get_int(max(sys.argv[1:]))
else:
min_value = get_int(raw_input('Lower Limit: '))
max_value = get_int(raw_input('Upper Limit: '))
if min_value >= max_value:
print 'No valid range: [', min_value,',', max_value,']'
if not min_value == max_value:
print 'Swapping values'
values = (min_value, max_value)
min_value = min(values)
max_value = max(values)
else:
sys.exit(1)
for i in range(min_value,max_value+1):
if not i%7:
print "%3d\tis divisible by 7!" % i