评测信息
运行ID: 60385
Traceback (most recent call last):
File "src.py", line 4, in <module>
output_string = replace_number_with_word(input_string)
File "src.py", line 2, in replace_number_with_word
return re.sub(r'\b20\b', 'twenty', input_string)
NameError: name 're' is not defined