save project

diy2.py

+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        i-=1
+        if name != username:
+            print("用户名错误请重新输入")
+            print("你还有",i,"次登陆机会")
+            continue
+        password = input("请输入密码:")
+        if password!=userpassword:
+            print("密码错误请重新输入")
+            print("你还有",i,"次登陆机会")
+        if name == username and password==userpassword: 
+            print("登录成功!")
+            print("欢迎来到贝尔编程!")
+            break
+    else:
+        print("你已经被锁定，请到我公司解锁")
+        break
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