CodingBat

Math and conditionals

 * http://codingbat.com/prob/p238805
 * http://codingbat.com/prob/p283727
 * http://codingbat.com/prob/p283759
 * http://codingbat.com/prob/p267977
 * http://codingbat.com/prob/p232742
 * http://codingbat.com/prob/p208025

Strings

 * http://codingbat.com/prob/p253286
 * http://codingbat.com/prob/p229309
 * http://codingbat.com/prob/p220147

Lists, for loops, and iteration

 * http://codingbat.com/prob/p205824
 * http://codingbat.com/prob/p238481
 * http://codingbat.com/prob/p220747
 * http://codingbat.com/prob/p206101
 * http://codingbat.com/prob/p254628
 * http://codingbat.com/prob/p219349
 * http://codingbat.com/prob/p296646
 * http://codingbat.com/prob/p287411
 * http://codingbat.com/prob/p245511
 * http://codingbat.com/prob/p298145