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numpy string operations | rstrip() function

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numpy.core.defchararray.rstrip(arr, chars=None) is another function for doing string operations in numpy. It returns a copy with the trailing characters removed for each element in arr.
Parameters: arr : array_like of str or unicode. char : [str or unicode, optional] the set of characters to be removed. If omitted or None, it removes whitespace. The chars argument is not a prefix or suffix; it is all combinations of its values which we want to strip. Returns : [ndarray] Output array of str or unicode, depending on input type.
Code #1 :
# Python program explaining
# numpy.char.rstrip() method 
  
import numpy as geek
  
# input arrays  
in_arr = geek.array(['Sun', '  Moon  ', 'Star'])
print ("Input array : ", in_arr) 
  
out_arr = geek.char.rstrip(in_arr)
  
# whitespace removed from arr[1] 
# as we have set chars = None
print ("Output array: ", out_arr) 

                    
Output:
Input array :  ['Sun' ' Moon ' 'Star']
Output array:  ['Sun' 'Moon' 'Star']
  Code #2 :
# Python program explaining
# numpy.char.rstrip() method 
  
import numpy as geek
  
# input arrays 
in_arr = geek.array([ 'Geeks', 'For', 'Geeks'] )
print ("Input array : ", in_arr) 
  
out_arr = geek.char.rstrip(in_arr, chars ='s')
  
#'s' removed from arr[0] and 
# arr[2] as we have set chars ='s'
print ("Output array: ", out_arr) 

                    
Output:
Input array :  ['Geeks' 'For' 'Geeks']
Output array:  ['Geek' 'For' 'Geek']
  Code #3 :
# Python program explaining
# numpy.char.rstrip() method 
  
import numpy as geek
  
# input arrays 
in_arr = geek.array([ 'GeeksG', 'ForG', 'Geeks'] )
print ("Input array : ", in_arr) 
  
out_arr = geek.char.rstrip(in_arr, chars ='G')
  
# will strip 'G' from right side
# from each element(if exists)
print ("Output array: ", out_arr) 

                    
Output:
Input array :  ['GeeksG' 'ForG' 'Geeks']
Output array:  ['Geeks' 'For' 'Geeks']


Last Updated : 17 Jan, 2019
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