save project

diy2.py

+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    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!请重新输入")
+            print("温馨提示，您还有"+str(i)+"次输入机会")
+            continue
+        if password!=userpassword:
+            print("密码错误!请重新输入")
+            print("温馨提示，您还有"+str(i)+"次输入机会")
+    else:
+        print("你的账户已被锁定，请带身份证来我司解锁") 
+        exit()              
+print("欢迎来到贝尔编程!")
\ No newline at end of file