save project

diy1.py

-username="python"
-userpassword="123456"
+i=3
+username="qython"
+userpassword="723456"
 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("登入成功!")    
-        break
-    if name != username:
-        print("用户名不正确！请重新输入!")
-        continue                  
-    if password != userpassword:
-        print("密码不正确！请重新输入!")
+    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("登入成功!")    
+            break
+        if name != username:
+            print("用户名不正确！请重新输入!")
+            continue                  
+        if password != userpassword:
+            print("密码不正确！请重新输入!")
+    else:
+        print("你的账户已被锁定，请亿个小时以后再来")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")