save project

ft.py

-username = "小颂"
-usepassword = "42420"
-while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == usepassword:
-        print("登录成功!")
-        break
-    input("用户名和密码错误!请重新输入!")
+mc=open(r'd:\book.txt','w',encoding='utf-8')
+
+mc.write('小明:12本\n')
+mc.write('小红:11本\n')
+mc.write('张三:9本\n')
+mc.write('书店老板:857本\n')
+
+mc.close()
\ No newline at end of file
-input("欢迎来到贝尔")
\ No newline at end of file