import numpy as np

​

arr = np.array([41, 42, 43, 44])

​

# Create an empty list

filter_arr = []

​

# go through each element in arr

for element in arr:

  # if the element is higher than 42, set the value to True, otherwise False:

  if element > 42:

    filter_arr.append(True)

  else:

    filter_arr.append(False)

​

newarr = arr[filter_arr]

​

print(filter_arr)

print(newarr)

​