save project

diy1.py

-username = "python"    
+i=3
+username = "python"
 userpassword = "123456"
 userpassword = "123456"
-while True:    
-    name=input("请输入用户账号")
-    password=input("请输入用户密码")
-    if name==username and password==userpassword:
-        print("登陆成功")
-        break
-    if name!=username:
-        print("用户账号输入错误，请重新输入")
-        continue
-    if password!=userpassword:
-        print("用户密码输入错误，请重新输入")
+while True:
+    if i>0:    
+        name=input("请输入用户账号")
+        password=input("请输入用户密码")
+        i=i-1
+        if name==username and password==userpassword:
+            print("登陆成功")
+            break
+        if name!=username:
+            print("用户账号输入错误，请重新输入")
+            print("您还有"+str(i)+"次机会")
+            continue
+        if password!=userpassword:
+            print("用户密码输入错误，请重新输入")
+            print("您还有"+str(i)+"次机会")
+    else:
+        print("您的账号已被锁定，请一个小时之后再来")
+        exit()    
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")
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