Warmup-1
========

.. toctree::
    :maxdepth: 1

    sleep-in
    monkey-trouble
    sum-double
    diff-21
    parrot-trouble
    makes-10
    near-hundred
    pos-neg
    not-string
    missing-char
    front-back
    front-3
    back-around
    or-35
    front-22
    start-hi
    icy-hot
    in-1020
    has-teen
    lone-teen
    del-del
    mix-start
    start-oz
    int-max
    close-10
    in-3050
    max-1020
    string-e
    last-digit
    end-up
    every-nth