There are exactly ten ways of selecting three from five, 12345:
123, 124, 125, 134, 135, 145, 234, 235, 245, and 345
In combinatorics, we use the notation, ⁵C₃ = 10
In general,
How many, not necessarily distinct, values of C, for 1 ≤ n ≤ 100, are greater than one-million?
$ python euler53.py
(Just make sure that's Python 3!)