# numpy string operations | swapcase() function in Python # Python Program explaining# numpy.char.swapcase() function   import numpy as geek     in_arr = geek.array(['P4Q R', '4q Rp', 'Q Rp4', 'rp4q'])print ("input array : ", in_arr)  out_arr = geek.char.swapcase(in_arr)print ("output swapcasecased array :", out_arr)