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Added str methods for ODA and DODA #208

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Merged
merged 7 commits into from
Mar 25, 2020
Merged

Added str methods for ODA and DODA #208

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0c32fae
LinkedListNode doc updated
Harsheet-saxena Mar 19, 2020
5f342a3
Merge branch 'master' of https://github.com/HarsheetKakar/pydatastruc…
Harsheet-saxena Mar 24, 2020
9df0392
__str__() added for ODA and DODA
Harsheet-saxena Mar 24, 2020
f0c8d1a
test_arrays.py updated
Harsheet-saxena Mar 25, 2020
4da2f52
Merge branch 'master' into Doc
HarsheetKakar Mar 25, 2020
dac9253
updated str
Harsheet-saxena Mar 25, 2020
5e94743
Merge branch 'Doc' of https://github.com/HarsheetKakar/pydatastructs …
Harsheet-saxena Mar 25, 2020
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10 changes: 10 additions & 0 deletions pydatastructs/linear_data_structures/arrays.py
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Original file line number Diff line number Diff line change
Expand Up @@ -130,6 +130,9 @@ def fill(self, elem):
def __len__(self):
return self._size

def __str__(self):
return str(self._data)


class DynamicArray(Array):
"""
Expand Down Expand Up @@ -255,6 +258,13 @@ def delete(self, idx):
def size(self):
return self._size

def __str__(self):
to_be_printed = ['' for i in range(self._last_pos_filled + 1)]
for i in range(self._last_pos_filled + 1):
if self._data[i] is not None:
to_be_printed[i] = str(self._data[i])
return str(to_be_printed)

def __reversed__(self):
for i in range(self._last_pos_filled, -1, -1):
yield self._data[i]
Expand Down
3 changes: 3 additions & 0 deletions pydatastructs/linear_data_structures/tests/test_arrays.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ def test_OneDimensionalArray():
ODA = OneDimensionalArray
A = ODA(int, 5, [1.0, 2, 3, 4, 5], init=6)
A[1] = 2.0
assert str(A) == '[1, 2, 3, 4, 5]'
assert A
assert ODA(int, [1.0, 2, 3, 4, 5], 5)
assert ODA(int, 5)
Expand All @@ -27,13 +28,15 @@ def test_DynamicOneDimensionalArray():
A.append(2)
A.append(3)
A.append(4)
assert str(A) == "['1', '2', '3', '4']"
A.delete(0)
A.delete(0)
A.delete(15)
A.delete(-1)
A.delete(1)
A.delete(2)
assert A._data == [4, None, None]
assert str(A) == "['4']"
assert A.size == 3
A.fill(4)
assert A._data == [4, 4, 4]
Expand Down