Unit Conversions (2 options)
println(convertmeterstomiles(10)), 10 meters = 6250 miles; println(convertinchestokm(10)), 10 inches = 5.206 x 10^-5 km
Converts inches to kilometers and meters to miles
(x, y)
##Parameters: x = inputted x value y = inputted y value
##Returns: Float
##Other notes: Anything else?