save project

diy2.py

+username = "1"
+userpassword = "2"
+i=3
+while True:
+    if i>0    
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        if name == username and password == userpassword:
+            i-=1        
+        print("登录成功!")
+            break
+        if name != username:    
+            print("密码错误!")
+           
+            continne
+        if password != userpassword:
+            print("用户名错误!")
+            i-=1
+            continne
+        if i==0:
+            print("错了,账号冻了,拿上身份证来我死解封")
+            exid()
+
+
+print("欢迎来到贝尔编程!")