import re import sys def fix_output(matchobj): return f"{matchobj.group(1)}{float(matchobj.group(2)) * 10}/{int(matchobj.group(3)) * 10}" pattern = re.compile(r"(Your code has been rated at )([0-9.]+)/(10)") for line in sys.stdin: line.rstrip() print(re.sub(pattern, fix_output, line), end="")