save project

diy2.py

+
 username = "fpqgz"
 word = "12345778023"
 while True:
     name = input("请输入用户名:")
     password = input("请输入密码:")
-    if name == username and password == userpassword:
-       print("登录成功") 
-       break
-    if name ! = username:
-        print("用户名错误")
-    if word ! = password:
+    if name==username and password==word:
+        print("登录成功")
+        break
+    elif name != username:
+        print("用户名不存在，请重新输入")
+        continue
+    else:
         print("密码错误")
-    #print("用户名和密码错误!请重新输入")
-print("登录成功!")
\ No newline at end of file
+print("登录成功")    
\ No newline at end of file

qqqq.py

+ww="fpqgz"
+qq="12345778023"
+                                    
\ No newline at end of file