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#!python
#
# Perl Weekly Challenge 247
# Task 1
#
# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-247/>
#
import sys
from random import randrange, choice
# task implementation
def main( argv ):
santas = argv.copy()
receivers = argv.copy()
while len( santas ) >= 0 :
current_santa = santas[ randrange( 0, len( santas ) ) ]
current_receiver = receivers[ randrange( 0, len( receivers ) ) ]
if ( current_santa == current_receiver ):
continue
print( current_santa, " -> ", current_receiver )
santas.remove( current_santa )
receivers.remove( current_receiver )
if len( santas ) == 0:
break
# invoke the main without the command itself
if __name__ == '__main__':
main( sys.argv[ 1: ] )
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