PYTHON

python transpose list

def transpose(lst):
    return list(map(list, zip(*lst)))

python transpose list

list_of_lists = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

numpy_array = np.array(list_of_lists)
transpose = numpy_array.T

transpose_list = transpose.tolist()

python transpose list of lists

import numpy as np
a = [[1, 4, 7], [2, 5, 8], [3, 6, 9]]
np.array(a).T.tolist()

python list transpose

# Use numpy. T to transpose a list of lists, from kite.com

list_of_lists = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

numpy_array = np.array(list_of_lists)
transpose = numpy_array.T
transpose `numpy_array`

transpose_list = transpose.tolist()

transpose of list in python

arr_t = np.array(l_2d).T

print(arr_t)
print(type(arr_t))
# [[0 3]
#  [1 4]
#  [2 5]]
# <class 'numpy.ndarray'>

l_2d_t = np.array(l_2d).T.tolist()

print(l_2d_t)
print(type(l_2d_t))
# [[0, 3], [1, 4], [2, 5]]
# <class 'list'>

transpose list

x = [[0,1],[2,3]]
np.transpose(x).tolist()
array([[0, 2],
       [1, 3]])

how to transpose lists in Python

>>> l = [('Result_1', 'Result_2', 'Result_3', 'Result_4'), (1, 2, 3, 4), (5, 6, 7, 8)]
>>> zip(*l)
[('Result_1', 1, 5), ('Result_2', 2, 6), ('Result_3', 3, 7), ('Result_4', 4, 8)]

how to transpose lists in Python

>>> l = [('Result_1', 'Result_2', 'Result_3', 'Result_4'), (1, 2, 3, 4), (5, 6, 7, 8)]
>>> zip(*l)
[('Result_1', 1, 5), ('Result_2', 2, 6), ('Result_3', 3, 7), ('Result_4', 4, 8)]

how to transpose lists in Python

>>> l = [('Result_1', 'Result_2', 'Result_3', 'Result_4'), (1, 2, 3, 4), (5, 6, 7, 8)]
>>> zip(*l)
[('Result_1', 1, 5), ('Result_2', 2, 6), ('Result_3', 3, 7), ('Result_4', 4, 8)]

how to transpose lists in Python

>>> l = [('Result_1', 'Result_2', 'Result_3', 'Result_4'), (1, 2, 3, 4), (5, 6, 7, 8)]
>>> zip(*l)
[('Result_1', 1, 5), ('Result_2', 2, 6), ('Result_3', 3, 7), ('Result_4', 4, 8)]

how to transpose lists in Python

>>> l = [('Result_1', 'Result_2', 'Result_3', 'Result_4'), (1, 2, 3, 4), (5, 6, 7, 8)]
>>> zip(*l)
[('Result_1', 1, 5), ('Result_2', 2, 6), ('Result_3', 3, 7), ('Result_4', 4, 8)]

python transpose a list

[list(i) for i in zip(*l)]