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#!/usr/bin/env python
"""A very simple script to convert an integer into an IPv4 address.
Expects an integer as the only argument."""
from sys import argv
def from_base256(number):
base = 16 if number.startswith('0x') else 10
num = int(number, base)
addr = list()
for e in range(3, -1, -1):
multiplier = 256 ** e
octet = num // multiplier
addr.append(str(octet))
num = num % multiplier
return '.'.join(addr)
def to_base256(addr):
addr = addr.split('.')
num = 0
for e in range(3, -1, -1):
num += int(addr[3-e]) * 256 ** e
return str(num)
try:
result = from_base256(argv[1])
except ValueError:
result = to_base256(argv[1])
print(result)
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