Create a function which counts how many lone 1s appear in a given number. Lone means the number doesn't appear twice or more in a row.
count_lone_ones(101) ➞ 2
count_lone_ones(1191) ➞ 1
count_lone_ones(1111) ➞ 0
count_lone_ones(462) ➞ 0
Tests will include positive whole numbers only.