cig-cost/cost-of-smokes.py

#!/usr/bin/python3
#user input dollars
#user input number of packs
#output day, week, month year costs
import os
import math

cost = None
packs = None

def calcHours(tempCost):
	return format(float(tempCost)/wages, '.2f')


while True:
	os.system('clear')
	try:
		cost = float(input("How much does a pack cost? "))
	except ValueError:
		print("Please only type numbers")
		input("Press 'enter' to continue: ")
		continue
	
	try:
		packs = float(input("How many packs do you smoke a day? "))
	except ValueError:
		print("Please only type numbers")
		input("Press 'enter' to continue: ")
		continue
	
	try:
		wages = float(input("What is your hourly wage? "))
	except ValueError:
		print("Please only type numbers")
		input("Press 'enter' to continue: ")
		continue
   
	os.system('clear')
	break
	
print("Your cigarettes cost $" + format(cost/20, '.2f'), "each")

cigsPerPacks = math.ceil(20 * packs)
costPerPacks = cost * packs

YEAR=365
WEEK=7
print()	
print("You smoke: ")
print(cigsPerPacks, "per day")
print(cigsPerPacks * WEEK, "per week")
print(math.ceil((cigsPerPacks * YEAR)/12), "per month")
print(cigsPerPacks * YEAR, "per year")

print()

print("This costs you: ")

tempCost = format(costPerPacks, '.2f')
tempHours = calcHours(tempCost)
print("$" + tempCost, "and", tempHours, "hours per day")

tempCost = format(costPerPacks * WEEK, '.2f')
tempHours = calcHours(tempCost)
print("$" + tempCost, "and", tempHours, "hours per week")

tempCost = format((costPerPacks * YEAR)/12, '.2f')
tempHours = calcHours(tempCost)
print("$" + tempCost, "and", tempHours, "hours per month")

tempCost = format(costPerPacks * YEAR, '.2f')
tempHours = calcHours(tempCost)
print("$" + tempCost, "and", tempHours, "hours per year")