摘要：
def func(file, old, new): import os with open(file,mode="r",encoding="utf-8") as f1,\ open("file_副本",mode="w",encoding="utf-8") as f2: for line in f1: 阅读全文
摘要：
def func( name,age ,edu, gender = "男"): with open("student_msg", mode="a", encoding="utf-8") as f: f.write(name + "_" + gender + "_" + age + "_" + edu 阅读全文