Homework For Class 3

gistfile1.txt

'''
PART 1:
'''


import csv
from collections import defaultdict


chicken = list(csv.reader(open('chipotle.tsv', 'rb'), delimiter='\t'))

#type(chicken) gives a list 

'''
PART 2:
'''

orders_headers = chicken[0]

orders = chicken[1:]

'''
PART 3:
'''

list_orders = [float(order[-1][1:]) for order in orders] #quantity not important b/c price is quantity*cost

average_orders = (sum(list_orders))/(len(list_orders)) #7.46

'''
PART 4:
'''

drinks_all = []
for drinks in orders:
    if drinks[2] == 'Canned Soft Drink' or drinks[2] == 'Canned Soda':
        drinks_all.append(drinks[3])
        
#couldn't get this to work as list comprehension :(
        
drinks_set = [unique for unique in set(drinks_all)]

#it's a list of list, I tried to create a list with strings without success
#set(drinks_all) creates a set 

'''
PART 5:
'''
# Alex: use number of commas in the choice column to figure
# out the number of toppings.
burrito_topping = []
for item in orders:
    if item[2].endswith('Burrito'):
        burrito_topping.append((len(str(item[3]).split(',')) + 1))
        
average_topping = float(sum(burrito_topping))/float(len(burrito_topping) )

#6.39


'''
PART 6: 
'''

chips_dictionary = {'Chips and Roasted Chili-Corn Salsa':0,
                     'Chips and Tomatillo-Red Chili Salsa':0,
                     'Chips and Mild Fresh Tomato Salsa':0,
                     'Chips and Guacamole':0,
                     'Chips and Fresh Tomato Salsa':0,
                     'Chips and Tomatillo-Green Chili Salsa':0,
                     'Chips and Tomatillo Red Chili Salsa':0,
                     
                    'Chips and Roasted Chili Corn Salsa':0,
                    'Chips':0,
                    'Chips and Tomatillo Green Chili Salsa':0
                    }


for chips in orders:
    if chips[2].startswith('Chips'):   #valid
       chips_dictionary[chips[2]] += int(chips[1])