save project

diy2.py

+username = "python"
+userpassword = "123456"
+for i in range(5):
+    a = input("请输入用户名:")
+    b = input("请输入密码:")
+    if a != username:
+        print("名字错误")
+        continue
+    if b != userpassword:
+        print("密码错误")
+    else:
+        print("登陆成功")
+        break
+print("你别用了")
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