numpy.core.defchararray.swapcase(arr) function return element-wise a copy of the string with uppercase characters converted to lowercase and lowercase characters converted to uppercase.
Syntax: numpy.char.swapcase(arr) Parameters: arr : [ array_like ] Input array which may be str or unicode. Returns : [ndarray] Output lowercased array of str or unicode, depending on input type.
Code #1:
Python3
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 swapcased array :", out_arr)
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Output:
input array : ['P4Q R' '4q Rp' 'Q Rp4' 'rp4q']
output swapcasecased array : ['p4q r' '4Q rP' 'q rP4' 'RP4Q']
Code #2:
Python3
import numpy as geek
in_arr = geek.array(['Geeks', 'For', 'Geeks'])
print ("input array : ", in_arr)
out_arr = geek.char.swapcase(in_arr)
print ("output swapcasecased array :", out_arr )
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Output:
input array : ['Geeks' 'For' 'Geeks']
output swapcasecased array : ['gEEKS' 'fOR' 'gEEKS']
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