hi I have a Mac book air 13 and its not charging I even went and both a new charger, keeps showing the plug in symbol and lighting symbol

Were you able to utilize above reference article's details to see what could be done? Short of

an inspection by Genius at Apple Store. ~ Or AASP, where you may pay for a consultation?

• Genius Bar Reservation and Apple Support Options - Apple

https://www.apple.com/retail/geniusbar/

See options listed & to see what else, then maybe try this.

[ Get hardware help ] a direct link for further detail input.

The troubleshooting you could perform, ahead of contacting an Apple authorized service

or an Apple retail Genius, may be better spent; time wise. +Retail may have limited hours.

"Whether your Mac notebook with USB-C is in or out of warranty, you can bring it to an Apple Authorized Service Provider or Apple Store for evaluation. Be sure to bring your Mac, your USB-C power adapter, and any USB-C cables you use for charging."

There may be internal circuit or parts, that need trained skilled Apple tech's attention.