I think Optical Drive does.
with open('celcius.dat', 'r') as fIn, open('fahrenheit.dat', 'w') as fOut:
for line in fIn:
fahrenheit = 9.0 / 5.0 * float(line) + 32
fOut.write("%.1f\n" % fahrenheit)
You can control the number of decimals in the formatting clause in the write statement.
Explanation:
Mechanical engineer may design a gps for a vehicle.
