JIT compiler stack up against PyPy? We ran side-by-side benchmarks to find out, and the answers may surprise you.

Mode = the most frequently occurring number in the set. (Note: if there are multiple most frequently occurring numbers in a dataset, the mode is not unique. All modes in this puzzle are unique) Range ...

In her new report to Congress, National Taxpayer Advocate Erin Collins outlined the 10 biggest challenges taxpayers now face when dealing with the tax agency.

It might not seem like there's enough information to solve these logic puzzles—but that's part of the fun!