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numpy.defchararray.multiply() in Python

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  • Last Updated : 30 Jun, 2020

numpy.core.defchararray.multiply(arr, n): Concatenates strings ‘n’ times element-wise.

Parameters:
arr : array-like or string.
n : [array-like] no. of times we want to concatenate.

Returns : Concatenated String ‘n’ times element-wise.

Code #1:




# Python Program illustrating 
# numpy.char.multiply() method 
import numpy as np 
  
arr1 = ['eAAAa', 'ttttds', 'AAt']
arr2 = ['11sf', 'sdsf2', '1111f2']
  
print ("\narr1 : ", arr1)
print ("\narr2 : ", arr2)
  
print ("\narr1 : ", np.char.multiply(arr1, 2))
  
# Separate multiplication
print ("\narr1 : ", np.char.multiply(arr1, [2, 4, 3]))
print ("\narr2 : ", np.char.multiply(arr2, 3))

Output:

arr1 :  ['eAAAa', 'ttttds', 'AAt']

arr2 :  ['11sf', 'sdsf2', '1111f2']

arr1 :  ['eAAAaeAAAa' 'ttttdsttttds' 'AAtAAt']

arr1 :  ['eAAAaeAAAa' 'ttttdsttttdsttttdsttttds' 'AAtAAtAAt']

arr2 :  ['11sf11sf11sf' 'sdsf2sdsf2sdsf2' '1111f21111f21111f2']

 
Code #2:




# Python Program illustrating 
# numpy.char.multiply() method 
import numpy as np 
  
arr1 = 'This is geeks '
arr2 = 'for geeks '
  
print ("\narr1 : ", np.char.multiply(arr1, 2))
print ("\narr2 : ", np.char.multiply(arr2, 4))

Output:

arr1 :  This is geeks 
arr2 :  for geeks 

arr1 :  This is geeks This is geeks 
arr2 :  for geeks for geeks for geeks for geeks 

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