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Adding doctests for sum_of_subset.py #1333

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Merged
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Oct 11, 2019
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Adding doctests for sum_of_subset.py #1333

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20 changes: 10 additions & 10 deletions dynamic_programming/sum_of_subset.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,10 @@
def isSumSubset(arr, arrLen, requiredSum):

"""
>>> isSumSubset([2, 4, 6, 8], 4, 5)
False
>>> isSumSubset([2, 4, 6, 8], 4, 14)
True
"""
# a subset value says 1 if that subset sum can be formed else 0
# initially no subsets can be formed hence False/0
subset = [[False for i in range(requiredSum + 1)] for i in range(arrLen + 1)]
Expand All @@ -22,14 +27,9 @@ def isSumSubset(arr, arrLen, requiredSum):
# uncomment to print the subset
# for i in range(arrLen+1):
# print(subset[i])
print(subset[arrLen][requiredSum])
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@cozek cozek Oct 9, 2019 •
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Unnecessary . Try this.
take test.py as

def returns_true():
    """
    >>> returns_true()
    True
    """
    return True

then
python3 -m doctest test.py -v

However, thank you adding the doctests.


return subset[arrLen][requiredSum]

if __name__ == "__main__":
import doctest

arr = [2, 4, 6, 8]
requiredSum = 5
arrLen = len(arr)
if isSumSubset(arr, arrLen, requiredSum):
print("Found a subset with required sum")
else:
print("No subset with required sum")
doctest.testmod()