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#!/usr/bin/python3
from sys import argv
from sys import exit
import re
if __name__ == '__main__':
if len(argv)>1:
lengths = argv[1].split(",")
for length in lengths:
if length and length[0] == '!':
length = length[1:]
if re.match('^[0-9]{1,5}-[0-9]{1,5}$', length):
length_1, length_2 = length.split('-')
if int(length_1) not in range(0, 65536) or int(length_2) not in range(0, 65536):
print(f'Error: {length} is not a valid length range')
exit(1)
if int(length_1) > int(length_2):
print(f'Error: {length} is not a valid length range')
exit(1)
elif length.isnumeric():
if int(length) not in range(0, 65536):
print(f'Error: {length} is not a valid length value')
exit(1)
else:
exit(2)
exit(0)
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