save project

diy1.py

+i=3
 username = "t"
 userpassword = "sb"
 while True:
+    if i>0:
+        i=i-1
         c=input("请输入账号")
         m=input("请输入密码")
         if username==c and userpassword==m:
@@ -8,7 +11,12 @@ while True:
             break
         if username!=c:
             print("账号错误")
+            print("你还有"+str(i)+"机会")
             continue
         if userpassword!=m:
             print("密码错误")
+            print("你还有"+str(i)+"机会")
+    else:
+        print("sb,滚") 
+        exit()            
 print("欢迎来到贝尔编程")
\ No newline at end of file