How to pair elements of a nestlist?

Question

I have a this list for example
expdata={{49, 50, 51, 52, 53, 54},{0,3,5,2,0,1}}
and I want to rearrange it like this
expdata={{49,0},{50,3},{51,5},{52,2},{53,0},{54,1}}.

Answer 1

Example

Code

Transpose @ expdata

Note: expdata as in your OP prior to any rearrangement

Output

{{49, 0}, {50, 3}, {51, 5}, {52, 2}, {53, 0}, {54, 1}}

Reference

Transpose