Computers and Technology, 17.12.2019 04:31 chameleonsarelife

Build_dict(reader) -> dictionary
this function accepts a csv reader as input and returns the required dictionary. it iterates over the csv reader and with each iteration, extracts the needed data and remove any extra whitespaces. you need to skip the header line before start reading the data:

next(reader, none)
the data to be extracted is:

entity - index 0 (string)
records lost - index 2 (int)
year - index 3 (int)
story - index 4 (string)
sector – index 5 (string)
method - index 6 (string)
news sources - index 11 (list of strings)

valid data checks:

if there are multiple news sources at index 11, they will be separated by a comma (‘,’).

these should all be stored in a list. if the news sources field is empty ignore that line.

treat all missing numeric values of "records lost" as a 0. you need to remove all

occurrences of ‘,’ in the records lost before converting to integer. hint: use

.replace()

if any of these pieces of data is missing (other than "records lost"), e. g. the field is empty or spaces, ignore that line of data.

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Build_dict(reader) -> dictionary
this function accepts a csv reader as input and returns t...

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