# numpy string operations | join() function in Python # Python program explaining# numpy.core.defchararray.join() method   # importing numpy import numpy as geek  # input array in_arr = geek.array(['Python', 'Numpy', 'Pandas'])print ("Input original array : ", in_arr)   # creating the separatorsep = geek.array(['-', '+', '*'])    out_arr = geek.core.defchararray.join(sep, in_arr)print ("Output joined array: ", out_arr) 