save project

diy2.py

+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
+    name = input("数据库:")
+    password = input("奥迪:")
+    
+    if n == username and s == userpassword:
+        print("")
+        break
+    if name != username:
+        print("")
+        i-=1
+        continue
+    if password != userpassword:
+        print("")
\ No newline at end of file