# numpy string operations | upper() function in Python # Python Program explaining# numpy.char.upper() 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.upper(in_arr)print ("output uppercased array :", out_arr)