save project

2.py

+i=3
+usename='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 == usename and password == userpassword:
+            print("登录成功")
+            break
+        if name != usename:
+            print("用户名不存在，请重新输入！") 
+                continue
+        if password != userpassword:
+            print("密码输入有误，请重新输入！")    
+            print("温馨提示：你还有"+str(i)+"次机会！")
+    else:
+        print("你已被锁定，请来我公司解锁！")
+        exit()
+print("欢迎来到贝尔编程！")
\ No newline at end of file