save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-i=0
+i=3
+input(int(i))
 while True:
 while True:
     if i>0:
     if i>0:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
-        print("用户名和密码错误!请重新输入")
-    i=i+1
-    if i==5:
+            break
+        elif name !=username:
+            print("用户名错误!请重新输入")
+            print("你还有"+str(i)+"机会")
+        else:
+            print("密码错误!请重新输入")
+            print("你还有"+str(i)+"机会")
+    else:
+        print("已超过次数")
         exit()
         exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file