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#!python
#
# Perl Weekly Challenge 275
# Task 2
#
# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-275>
#
import sys
# task implementation
# the return value will be printed
def task_2( args ):
string = args[ 0 ]
previous = None
result = ""
for c in string:
if c.isdigit():
c = chr( int( c ) + 97 )
else:
previous = c
result += c
return result
# invoke the main without the command itself
if __name__ == '__main__':
print( task_2( sys.argv[ 1: ] ) )
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