It wouldn't hurt to give her a brief lesson and have her practice once just in case there is an injury or major problem and she has to take one to the vet, but definitely not just for daily handling if she isn't inclined to do it herself as-is.
After you're back, you could work with her to teach her if she wants to and have her start picking them up out of the cage before you both handle for the easier ones.
Agree with the rest though, the snakes won't be bothered by not coming out a few days and it probably isn't great if she is being pushed to do it for something as unnecessary as that.
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