save project

diy2.py

+d=4
+username = "3"
+userpassword = "1933-1945"
+while True:
+    if d>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        d-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name != username:
+            print("你不是希特勒")
+        if password != userpassword:
+            print("你不了解纳粹")
+    else:
+        print("你落选了")
+        exit()            
+print("欢迎来到德意志第三帝国!")
\ No newline at end of file