auto save

ceshi1.py

+username = "python"
+userpassword = "123456"
+i=3
+
+while True:
+    if i>0:
+        i-=1
+        name = input("输入名字：")
+        if name != username:
+            print("账户输入错误,重新输入")
+            print("您还有"+str(i)+"次登录机会")
+            continue
+        password = input("输入密码：")
+        if password != userpassword:
+            print("密码输入错误，重新输入")
+            print("您还有"+str(i)+"次登录机会")
+            continue
+        if name == username and password == userpassword:
+            print("登录成功！！！")
+            break
+        print("输入错误！！！重新输入")
+    else:
+        print("你账户已被锁定！！！")
+        exit()
+print("欢迎来到贝尔编程！！！")
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