convert 2d list to 1d python
import itertools
a = [[1, 2], [3, 4], [5, 6]]
list(itertools.chain.from_iterable(a))
Output:- [1, 2, 3, 4, 5, 6]convert 2d list to 1d python
import itertools
a = [[1, 2], [3, 4], [5, 6]]
list(itertools.chain.from_iterable(a))
Output:- [1, 2, 3, 4, 5, 6]convert list of lists to numpy array matrix python
x=[[1,2],[1,2,3],[1]]
y=numpy.array([numpy.array(xi) for xi in x])
type(y)
# <type 'numpy.ndarray'>
type(y[0])
# <type 'numpy.ndarray'>Copyright © 2021 Codeinu
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