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Updated the count function in utils.py #1013

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Merged
merged 2 commits into from
Jan 30, 2019
Merged

Updated the count function in utils.py #1013

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5cd53f6
improved the count function in utils.py
thesagarsehgal Jan 22, 2019
264ef1a
updated according to PEP style
thesagarsehgal Jan 25, 2019
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6 changes: 3 additions & 3 deletions utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,14 +31,14 @@ def removeall(item, seq):
return [x for x in seq if x != item]


def unique(seq): # TODO: replace with set
def unique(seq):
"""Remove duplicate elements from seq. Assumes hashable elements."""
return list(set(seq))


def count(seq): # TODO: replace with quantify
def count(seq):
"""Count the number of items in sequence that are interpreted as true."""
return sum(bool(x) for x in seq)
return sum(map(bool, seq))

def multimap(items):
"""Given (key, val) pairs, return {key: [val, ....], ...}."""
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