def test_with_set(self):
sequence = {1, 2, 3, 4, 5}
initial = 5
self.assertEqual(my_reduce(add, sequence), 15)
self.assertEqual(my_reduce(add, sequence, initial), 20)
def test_num_args_less_than_2(self):
with self.assertRaises(TypeError):
my_reduce()
with self.assertRaises(TypeError):
my_reduce(add)
def test_with_one_item_in_the_list(self):
self.assertEqual(1, my_reduce(add, [1]))
def test_with_list(self):
sequence = [1, 2, 3]
initial = 4
self.assertEqual(my_reduce(add, sequence), 6)
self.assertEqual(my_reduce(add, sequence, initial), 10)
def test_no_function_provided(self):
with self.assertRaises(TypeError):
my_reduce(1, [1,2,3])
def test_empty_sequence_provided(self):
with self.assertRaises(TypeError):
my_reduce(add, [])
def test_arg_two_must_support_iteration(self):
does_not_support_iteration = 4
with self.assertRaises(TypeError):
my_reduce(add, does_not_support_iteration)
def test_num_args_greater_than_3(self):
with self.assertRaises(TypeError):
my_reduce(add, {1, 2, 3}, 5, 99)
with self.assertRaises(TypeError):
my_reduce(add, {1, 2, 3}, 5, 99, 33)
import sys
import my_map
import my_reduce
key_value = dict()
for filename in ['data_2010.txt', 'data_2011.txt', 'data_2012.txt', 'data_2013.txt', 'data_2014.txt', 'data_2015.txt']:
in_file = open(filename, 'r')
key_value_per_file = my_map.my_map(in_file)
for key in key_value_per_file:
if(key in key_value):
key_value[key].append(key_value_per_file[key])
else:
key_value[key]=[key_value_per_file[key]]
reduced = dict()
for key in key_value:
reduced[key] = my_reduce.my_reduce(key_value[key])
for key in reduced:
print(key + ": " + str(reduced[key]))