Rave.dj allows you to create so-called "mashups" without any skills.
https://www.rave.dj/
I will describe to you step by step how it works it's very simple.
Click the "Create Mashup"
Choose two songs (You can copy link or you can enter the song title)
Now just click "Go" button
Wait for it to load and ready, you can enjoy your mashup!
You can share this mushup only need to copy link and send!
Remember that this is only a machine, not everything that it creates will be perfect!