save project

a.py

+i=3
+username="python"
+userpassword="454454"
+while True:
+    if i>0:    
+        name=input("请输入用户名：")
+        passwpord=input("请输入密码：")
+        i-=1
+        if name==username and passwpord==userpassword:
+            print("登录成功!")
+            break
+        if name!=username:
+            print("用户名不存在，请重新输入！")
+            print("还剩i次")
+            continue
+        if password!=userpassword:
+            print("密码不存在，请重新输入！")
+            print("还剩i次")
+    else:
+        print("账户被锁定")
+        exit()
+Print("欢迎来到贝尔编程")
\ No newline at end of file