Programming Exercise 3-8
# Global variables
HOT_DOGS_PER_PACKAGE = 10
BUNS_PER_PACKAGE = 8
# Local variables
numAttending = 0 # The number of people attending
numPerPerson = 0 # The number of hot dogs and buns per person
total = 0 # The total number of hot dogs and buns needed
minDogs = 0 # The minimum number of packages of hot dogs
minBuns = 0 # The minimum number of packages of hot dog buns
dogsLeft = 0 # The number of hot dogs left over from a package
bunsLeft = 0 # The number of hot dog buns left over from a package
# Get the number of people attending the cookout from the user.
numAttending = int(input(‘Enter the number of people attending the cookout: ‘))
# Get the number of hot dogs per person from the user.
numPerPerson = int(input(‘Enter the number of hot dogs for each person: ‘))
# Calculate the total number of hot dogs and buns needed.
total = numAttending * numPerPerson
# Calculate the minimum number of packages of hot dogs needed.
minDogs = total // HOT_DOGS_PER_PACKAGE
# Determine if the number of people attending is
# large enough to require more than one package
# of hot dogs.
if minDogs > 0:
# Calculate the number of hot dogs left over
# from a package, if any.
dogsLeft = total % HOT_DOGS_PER_PACKAGE
# If there will be left overs, add an additional
# package of hot dogs.
if dogsLeft != 0:
minDogs += 1
# The number of people attending is small enough to
# require only a single package of hot dogs.
else:
# Set the minimum number of packages of hot dogs to one.
minDogs = 1
# Determine the number of left over hot dogs, if any.
dogsLeft = HOT_DOGS_PER_PACKAGE * minDogs – total
# Calculate the minimum number of packages of
# hot dog buns needed.
minBuns = total // BUNS_PER_PACKAGE
# Determine if the number of people attending is
# large enough to require more than one package
# of hot dog buns.
if minBuns > 0:
# Calculate the number of hot dog buns left over
# from a package, if any.
bunsLeft = total % BUNS_PER_PACKAGE
# If there will be left overs, add an additional
# package of hot dog buns.
if bunsLeft != 0:
minBuns += 1
# The number of people attending is small enough to
# require only a single package of hot dog buns.
else:
# Set the minimum number of packages of
# hot dog buns to one.
minBuns = 1
# Calculate the number of hot dog buns left over, if any.
bunsLeft = BUNS_PER_PACKAGE * minBuns – total
# Display the minimum packages of hot dogs needed.
print(‘Minimum packages of hot dogs needed:’, minDogs)
# Display the minimum packages of buns needed.
print(‘Minimum packages of hot dog buns needed:’, minBuns)
# Display the number of hot dogs left over.
print(‘Hot dogs left over:’, dogsLeft)
# Display the number of hot dog buns left over.
print(‘Hot dog buns left over:’, bunsLeft)