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weeeee this is my challenge solution #10

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weeeee this is my challenge solution #10

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weeeee
Sticksword Sep 17, 2016
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Sticksword Sep 17, 2016
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19 changes: 19 additions & 0 deletions challenge.py
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Original file line number Diff line number Diff line change
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import csv

compound_return = 1.0

with open('test/test-0.csv', 'rb') as csvfile:
reader = csv.reader(csvfile, delimiter=',')
previous = None
current = None
for row in reader: # assuming entries are in chronological order, from oldest first to most recent
current = row
if not previous: # init case, if only one row, will return 1.0 since only 1 period
previous = current
continue
else:
sub_rate = (float(current[2]) - float(current[1])) / float(previous[2])
compound_return *= sub_rate


print 'Compound return is ' + str(compound_return - 1)