save project

xx.py

+username = "python"
+userpassword="123456"
+i=3
+while True:
+    if i >0 :
+        name = input("请输入用户名")
+        password=input("请输入密码")
+        i-=1
+        if name==username and userpassword==password:
+            print("登录成功")
+            break
+        if name!=username:
+            print("用户名❌")
+            continue
+        if password!=userpassword:
+            print("密码❌")
+    else:
+        print("次数大于3，锁定")
+        exit()
+print("欢迎来到贝尔编程")
+

ymh.py

+input
\ No newline at end of file