save project

diy1.py

-username = "python"
+i=3
+username = "10"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 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!")
-        break
-    if name!=username:
-       print("用户名错误!")
-       continue
-    if password!=userpassword:
-        print("密码错误!") 
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name!=username:
+        print("用户名错误!")
+        continue
+        if password!=userpassword:
+            print("密码错误!")
+else:
+     print("次数已用完!")
+     exit
 print("欢迎来到贝尔编程")
 print("欢迎来到贝尔编程")