transpose and flatten

import numpy
 
inputs= input().split(' ')
rows = int(inputs[0])
columns = int(inputs[1])
 
column_inputs = [];
for i in range(rows):
    row_input = input().split(' ')
    column_inputs.append(row_input)
 
arr = numpy.array(column_inputs, int);
print(numpy.transpose(arr));
print(arr.flatten())