auto save

diy.py

+username = "python"
+userpassword = "123456"
+i=3
+while True:
+    if i>0:
+        name=input("请输入用户名")
+        password=input("请输入密码")
+        i-=1
+        if username==name and userpassword==password:
+            print("登录成功")
+            break
+        if username!=name:
+            print("用户名错误")
+            print("你还有"+str(i)+"次机会")
+            continue
+        if userpassword!=password:
+            print("密码错误")
+            print("你还有"+str(i)+"次机会")
+    else:
+        print("请携带身份证带我司办理解锁")
+        exit()
+print("恭喜你成功登录")
+        
\ No newline at end of file

diy1.py

+username="python"
+userpassword="123456"
+name=input("请输入账号")
+password=input("请输入密码")
+if username==name and userpassword==password:
+    print("登录成功")
\ No newline at end of file