def main():
while True:
try:
meal_base = sys.argv[1]
except IndexError:
try:
meal_base = float(raw_input("\nIndexError: It seem sys.argv[1] is out of index range. \nInput the base cost of your meal. \nUse only numbers. No symbols(i.e 10.50, 234.33, 5.00): "))
break
except ValueError:
meal_base = float(raw_input("\nValueError: That's not a valid int or float \nInput the base cost of your meal. \nUse only numbers. No symbols(i.e 10.50, 234.33, 5.00): "))
break
except ZeroDivisionError:
meal_base = float(raw_input("\nZeroDivisionError: You can't pick zero! \nInput the base cost of your meal. \nUse only numbers. No symbols(i.e 10.50, 234.33, 5.00): "))
break
except NameError:
meal_base = float(raw_input("\nNameError: That's not a valid int or float. \nInput the base cost of your meal. \nUse only numbers. No symbols(i.e 10.50, 234.33, 5.00): "))
break
finally:
print "\nThe base cost of your meal is", meal_base
while True:
try:
tax_rate = sys.argv[2]
except IndexError:
try:
tax_rate = float(raw_input("\nIndexError: It seem sys.argv[2] is out of range. \nInput the tax rate as a decimal. \n(i.e, 10% would be .1, 15% would be .15 or 5% would be .05): "))
break
except ValueError:
tax_rate = float(raw_input("\nValueError: That's not a valid int or float \nInput the tax rate as a decimal. \n(i.e, 10% would be .1, 15% would be .15 or 5% would be .05): "))
break
except ZeroDivisionError:
tax_rate = float(raw_input("\nZeroDivisionError: You can't pick zero! \nInput the tax rate as a decimal. \n(i.e, 10% would be .1, 15% would be .15 or 5% would be .05): "))
break
except NameError:
tax_rate = float(raw_input("\nNameError: That's not a valid int or float. \nInput the tax rate as a decimal. \n(i.e, 10% would be .1, 15% would be .15 or 5% would be .05): "))
break
finally:
print "\nThe tax rate is", tax_rate * 100, "%"
while True:
try:
tip_rate = sys.argv[3]
except IndexError:
try:
tip_rate = float(raw_input("\nIndexError: It seem sys.argv[3] is out of range. \nLastly, what percent tip do you want to give? \nRepresent as decimal as you did with tax rate: "))
break
except ValueError:
tip_rate = float(raw_input("\nValueError: That's not a valid int or float \nWhat percent tip do you want to give? \nRepresent as decimal as you did with tax rate: "))
break
except ZeroDivisionError:
tip_rate = float(raw_input("\nZeroDivisionError: You can't pick zero! \nWhat percent tip do you want to give? \nRepresent as decimal as you did with tax rate: "))
break
except NameError:
tip_rate = float(raw_input("\nNameError: That's not a valid int or float. \nWhat percent tip do you want to give? \nRepresent as decimal as you did with tax rate: "))
break
finally:
print "\nYou've chosen to give a", tip_rate * 100, "% tip"
calculate_meal_costs(meal_base, tax_rate, tip_rate)
print "\nHere's the breakdown for your meal costs: ", calculate_meal_costs(meal_base,tax_rate,tip_rate)
def main():
# calculate_meal_costs(argv[])
base_info = {}
try:
base_info = dict(base_meal=float(sys.argv[1]), base_tax=float(sys.argv[2]),
base_tip=float(sys.argv[3]))
except ValueError:
print "Sorry, you must supply numbers for all imput parameters to this script. Try again."
while True:
try:
base_info['base_meal'] = float(raw_input("Enter base meal cost: "))
base_info['base_tax'] = float(raw_input("Enter base tax percentage as a decimal: "))
base_info['base_tip'] = float(raw_input("Enter base tip percentage as a decimal: "))
break
except ValueError:
print "Sorry, you must supply numbers for all imput parameters to this script. Try again."
meal_info = calculate_meal_costs(base_info['base_meal'], base_info['base_tax'],
base_info['base_tip'])
print "The base cost of your meal was ${0:.2f}.".format(meal_info['meal_base'])
print "You need to pay ${0:.2f} for tax.".format(meal_info['tax_value'])
print "Tipping at a rate of {0}%, you should leave ${1:.2f} for a tip.".format(
int(100*meal_info['tip_rate']),
meal_info['tax_value'])
print "The grand total of your meal is ${0:.2f}.".format(meal_info['total'])
def main(argv=sys.argv):
try:
meal_base = float(sys.argv[1])
tax_rate = float(sys.argv[2])
tip_rate = float(sys.argv[3])
except ValueError:
print "Sorry, you must supply numbers for all input parameters to this script. Try again."
meal_base = float(raw_input("Please enter a meal base as a number: "))
tax_rate = float(raw_input("Please enter a tax rate as a decimal equivalent of a percentage value: "))
tip_rate = float(raw_input("Please enter a tip rate as a decimal equivalent of a percentage value: "))
meal_info = calculate_meal_costs(meal_base, tax_rate, tip_rate)
print "The meal base was ${0} with a tax value of ${1} at a tax rate of %{2} and a tip rate of %{3} . This amounts to ${4}".format("%0.2f" % meal_info["meal_base"], "%0.2f" % meal_info["tax_value"], "%0.0f" % (meal_info["tax_rate"] * 100),"%0.0f" % (meal_info["tip_rate"] * 100), "%0.2f" % meal_info["total"])
def main(user_input):
meal, tax, tip = user_input[1], user_input[2], user_input[3]
meal = meal_value(meal)
tax = tax_value(tax)
tip = tip_value(tip)
meal_info = calculate_meal_costs(meal, tax, tip)
print "The base cost of your meal was ${0:.2f}.".format(meal_info['meal_base'])
print "You need to pay ${0:.2f} for tax.".format(meal_info['meal_base'])
print "Tipping at a rate of {0}%, you should leave ${1:.2f} for a tip.".format(int(100*meal_info['tip_rate']),
meal_info['tax_value'])
print "The grand total of your meal is ${0:.2f}.".format(meal_info['total'])
def main():
''' Calculate costs for a meal
The user inputs meal cost, tax rate, and tip rate as parameters
If any parameters are invalid, the program will
ask the user for valid ones.
'''
parser = OptionParser()
parser.add_option("-m", "--meal", dest="meal", help="base cost of meal")
parser.add_option("-x", "--tax", dest="tax_percent")
parser.add_option("-t", "--tip", dest="tip_percent",
help="percent tip you want to leave", default=20)
#let's accrue good karma by defaulting to a decent 20%
#tip!
(options, args) = parser.parse_args()
#make sure we get valid values
if not valid_meal_base(options.meal):
options.meal = get_user_value(valid_meal_base,
'Please enter a valid meal price: ',
'That is not a positive number')
meal = float(options.meal)
if not valid_percentage(options.tax_percent):
options.tax_percent = get_user_value(valid_percentage,
'Please enter a valid tax percentage: ',
'Enter a positive number between 0 and 100')
tax_percent = float(options.tax_percent)
if not valid_percentage(options.tip_percent):
options.tip_percent = get_user_value(valid_percentage,
'Please enter a valid tip percentage: ',
'Enter a positive number between 0 and 100')
tip_percent = float(options.tip_percent)
costs = calculate_meal_costs(meal, 0.01*tax_percent, 0.01*tip_percent)
meal_plus_tax = calculate_rate(0.01*tax_percent, meal) + meal
tip_amount = costs['total'] - meal_plus_tax
print 'The meal plus tax costs {:.2f} dollars'.format(meal_plus_tax)
print 'You should tip {:.2f} dollars.'.format(tip_amount)
def main():
results = {}
for index, k in enumerate(list):
try:
results[k] = float(sys.argv[index+1])
except (ValueError, IndexError):
print 'Sorry, you must supply numbers for all input parameters to this script. Try again.'
results[k] = float(raw_input('Please enter meal'+k +':'))
meal_info = calculate_meal_costs(results['cost'], results['tax'] , results["tip"])
print "The base cost of your meal was ${0:.2f}.".format(meal_info['meal_base'])
print "You need to pay ${0:.2f} for tax.".format(meal_info['tax_value'])
print "Tipping at a rate of {0}%, you should leave ${1:.2f} for a tip.".format(
int(100*meal_info['tip_rate']),
meal_info['tax_value'])
print "The grand total of your meal is ${0:.2f}.".format(meal_info['total'])