save project

www.py

+i=0
 username="python"
 userpassword="123456"
 while True:
-    name=input("请输入")
-    password=input("密码")
-    if name==username and password==userpassword:
-        print("成功")
-        break
-    elif name!=username:
-        print("用户名错误")  
+    if i>0
+        name=input("请输入")
+        password=input("密码")
+        i-=1
+        if name==username and password==userpassword:
+            print("成功")
+            break
+        if name!=username:
+            print("用户名错误")  
+            continue
+        if password!=userpassword:
+            print("密码错误")
     else:
-        #password!=userpassword:
-        print("密码错误")      
-print("欢迎")
\ No newline at end of file
+        print("你的账户已被锁住，请5分钟后再来解锁")
+        exit()  
+print("欢迎")              
\ No newline at end of file