Which the following functions can be used to convert an ndarray to a one-dimension array?

Python question of the day

reshape()

flatten()

ravel()

flatten() or ravel()

Explanation:

Both ravel() and flatten() can be used convert a ndarray to one-dimension array, but ravel() is faster than flatten() as it does not occupy any memory (flatten() returns copy of original array, while ravel() retuens only reference of original array)