I second Ybakos' recommendation of Python and Ruby. I wrote my assembler in Python, and later rewrote it in Ruby to get a feel of that language.
I taught middle school aged kids to program in Python using an earlier version of Think Python:
How to Think Like a Computer Scientist
. This book is available as a free pdf under the Creative Commons license.
Become a registered member of the board and you can send me email directly using "more > reply to author" if you have specific questions about Python or just want some general help learning it.