File size: 1,025 Bytes
8d55ddb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | # encoding: utf-8
import csv
import sys
try:
with open('datamos_20161217.csv', 'r', encoding='cp1251') as f:
# lines = csv.reader(f, delimiter=',', quotechar='"')
# for row in lines:
# print(row)
lines = csv.DictReader(f, delimiter=';')
streets = {}
for line in lines:
name = line['Street']
streets[name] = streets.get(name, 0) + 1
# Можно еще просто добавить в список и потом посчитать количество вхождений
# функция Counter - https://docs.python.org/3.5/library/collections.html#collections.Counter
streets_sorted = sorted(streets.items(), key=lambda x: x[1], reverse=True)
print('Название улицы: {}, количество остановок: {}'.format(streets_sorted[0][0], streets_sorted[0][1]))
except OSError as err:
print("OS error: {0}".format(err))
except:
print("Unexpected error:", sys.exc_info()[0])
raise
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