Not really my solution... just a slightly cheating version of @bmtran's.
Test for balanced parentheses
Test if a Number is a Palindrome without using any String Operations
Calculate the Hamming distance between two strings
Generate N equally spaced intervals between -L and L
Add two numbers
Back to basics 17 - white space
Back to basics 14 - Keywords
Back to basics 4 - Search Path
Back to basics 25 - Valid variable names
Back to basics 18 - justification
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