python python-get-count-by-date-constructs.py

Posted 2021-05-09

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path = "/Users/itversity/Research/data/retail_db/orders/part-00000"
orders = open(path).read().splitlines()
countPerDate = {}
for i in orders:
    date = i.split(",")[1]
    if(countPerDate.has_key(date)):
        count = countPerDate[date]
        countPerDate[date] = count + 1
    else:
        countPerDate[date] = 0
for d in countPerDate:
    print(d + "\t" + str(countPerDate[d]))

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