save project

diy2.py

-username = "python"
-userpassword = "123456"
+z = "1"
+m = "2"
+i = 3
 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!")
\ No newline at end of file
+    if i>0:
+        z1=input("请输入账号:")
+        m1=input("请输入密码:")
+        i = i-1
+        if z == z1 and m == m1:
+            print("登录成功")
+            break
+        if z != z1:
+            print("账号错误")
+            print("你还有"+str(i)+"次机会")
+            continue
+        if m != m1:
+            print("密码错误")
+            print("你还有"+str(i)+"次机会")
+            continue
+    else:
+        print("你的账号已锁定")
+        exit() 
+print("欢迎来到未来世界")
\ No newline at end of file