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#!python
#
# Perl Weekly Challenge 256
# Task 1
#
# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-256>
#
import sys
# task implementation
# the return value will be printed
def task_1( args ):
max = 0
for w in args:
count = len( list( filter( lambda rw: rw == ''.join( reversed( w ) ), args ) ) )
if count > max:
max = count
return max
# invoke the main without the command itself
if __name__ == '__main__':
print( task_1( sys.argv[ 1: ] ) )
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