save project

diy2.py

-username = "python"
-userpassword = "123456"
-while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+a ='python'
+b ='12345'
+e =0
+while e < 3:
+    c = input("请输入用户名:")
+    d = input("请输入密码：")
+    if a == c and b == d:
+        print("登录成功")
+        e +=3 
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+    elif a != c and b == d:
+        print("用户名错误") 
+        e +=1
+    elif a == c and b != d:
+        print("密码错误") 
+        e +=1
+    else:
+        print("该账号不存在") 
+        e +=1
+print("账号封锁中")
+print("账号已封锁")
+#print("自爆准备")
+#print("程序删除中")
+#print("删除完毕")
+#print(3)
+#print(2)
+#print(1)
+#print(0)
+#print("Boom！！！")
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