import re import sys def is_divisible_by_5(s): pattern = re.compile(r'^-?[1-9][0-9]*[05]$') return bool(re.match(pattern, s)) inFile = sys.argv[1] outFile = sys.argv[2] with open(inFile, 'r', encoding='utf-8') as inputFile, open(outFile, 'w', encoding='utf-8') as outputFile: lines = inputFile.readlines() for line in lines: line = line.strip() result = "yes" if is_divisible_by_5(line) else "no" outputFile.write(result+'\n') # print(result)