Exercise 03-12:
Write a program that calculates the time of a car trip. Ask the distance to cover and the average speed expected for the trip.
Answer:
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# Python From Scratch
# Author: Nilo Ney Coutinho Menezes
# Editora Novatec (c) 2010-2025 - LogiKraft 2025
# Site: https://pythonfromscratch.com
# ISBN: 978-85-7522-949-1 (Paperback), 978-85-7522-950-7 (hardcover), 978-85-7522-951-4 (ebook)
#
# File: chapter 03/exercise-03-12.py.py
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distance = float(input("Enter the distance in km:"))
average_speed = float(input("Enter the average speed in km/h:"))
time = distance / average_speed
print("The estimated time is %5.2f hours" % time)
# Optional: print the time in hours, minutes and seconds
time_s = int(time * 3600) # convert from hours to seconds
hours = int(time_s / 3600) # integer part
time_s = int(time_s % 3600) # remainder
minutes = int(time_s / 60)
seconds = int(time_s % 60)
print("%05d:%02d:%02d" % (hours, minutes, seconds))