An inflation calculator for the command line
Example usage:
% ./inflation.sh 1987 2020
% python inflation.py 1975 2020
The value of a dollar has changed 369.32% from 1975 to 2020
$1.00 in 1975 is $3.69 in 2020
% python inflation.py 1975 2020 --dollar 50
The value of a dollar has changed 369.32% from 1975 to 2020
$50.00 in 1975 is $184.66 in 2020