auto save

diy1.py

+c=3
+username="candy"
+userpassword="520527"
+while True:
+    if c>0:
+        name=input("请输入你的账号")
+        passward=input("请输入你的密码")
+        c-=1
+        if username==name and userpassword==passward:
+            print("登入成功")
+            break
+        if name!=username:
+            print("账号错误,请重新输入")
+            print("温馨提示：你还有"+str(c)+"次机会")
+            continue
+        if passward!=userpassword:
+            print("密码错误,请重新输入")
+            print("温馨提示：你还有"+str(c)+"次机会")
+    else:
+        print("该账号已被封")
+        exit()
+print("欢迎你的到来")
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