Array¶
iterated item for index and value¶
for index, value in enumerate(array):
print(index, value)
zip¶
for a, b in zip(array1, array2):
print(a, b)
Sort¶
- intervals.sort(key=lambda x: x[0])
- will return NONE, change the original array
deque¶
- appendleft
- insert(0, x)
append or generate a array¶
rows = [row[0] for row in matrix]