save project

diy2.py

@@ -3,11 +3,11 @@ b= "123456"
 while True:
 while True:
     c = input("请输入用户名:")
     c = input("请输入用户名:")
     d = input("请输入密码:")
     d = input("请输入密码:")
-    if c == a and d == b:
+    elif c == a and d == b:
         print("登录成功!")
         print("登录成功!")
         break 
         break 
-    if c != a :
+    elif c != a :
         print("用户名错误!请重新输入")
         print("用户名错误!请重新输入")
-        continue
-    if d != b :
+        #continue
+    else d != b :
         print("密码输入错误！请重新输入")
         print("密码输入错误！请重新输入")
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