save project

diy2.py

@@ -2,18 +2,20 @@ i = 3
 username = "python"
 userpassword = "123456"
 while True:
-    if i=0:
-        name =("请输入用户名:")
+    if i>0:
+        name =  input("请输入用户名:")
         password = input("请输入密码:")
-        i=-1
+        i-=1
         if name == username and password == userpassword:
             break
             print("登录成功!")
         if username != name:
-        print("账号不匹配")
-        if username != password
-        continue
-        print("密码不匹配")
+            print("账号不匹配")
+            print("还有" +str(i)+"次机会")
+            continue
+        if userpassword != password:
+            print("密码不匹配")
+            print("还有" +str(i)+"次机会")
     else:
         print("机会用完了")
         exit()