operations with empty strings | swapcase () function

numpy.core.defchararray.swapcase(arr) returns a bitmap copy of a string with uppercase characters converted to lowercase and lowercase characters converted to uppercase register.

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:

# 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)

Exit:

 input a rray: [`P4Q R`` 4q Rp` `Q Rp4`` rp4q`] output swapcasecased array: [`p4q r`` 4Q rP` `q rP4`` RP4Q`]

Code # 2:

Output:

 input array: [`Geeks`` For` `Geeks`] output swapcasecased array: [` gEEKS` `fOR` `gEEKS`]

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# Python program explaining
# numpy. char.swapcase () function

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)