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#!python
#
# Perl Weekly Challenge 329
# Task 1
#
# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-329>
#
import sys
import re
# task implementation
# the return value will be printed
def task_1( args ):
string = args[ 0 ]
numbers = []
pattern = re.compile( r'\d+' )
for i in pattern.findall( string ) :
if not i in numbers :
numbers.append( i )
return numbers
# invoke the main without the command itself
if __name__ == '__main__':
print( task_1( sys.argv[ 1: ] ) )
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