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#!python
#
# Perl Weekly Challenge 263
# Task 2
#
# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-263>
#
import sys
# task implementation
# the return value will be printed
def task_2( args ):
quantity = {}
for index in range( 0, len( args ) - 1 ):
if index % 2 == 1:
continue
item = args[ index ]
qty = int( args[ index + 1 ] )
if item in quantity:
quantity[ item ] += qty
else:
quantity[ item ] = qty
return quantity
# invoke the main without the command itself
if __name__ == '__main__':
print( task_2( sys.argv[ 1: ] ) )
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