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numpy string operations | upper() function

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  • Last Updated : 14 Jan, 2019
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numpy.core.defchararray.upper(arr): function is used to return an array with the elements converted to uppercase.

Parameters:
arr : [ array_like ] Input array which may be str or unicode.

Returns : [ndarray] Output uppercased array of str or unicode, depending on input type.

Code #1:




# 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)

Output:

input array :  ['p4q r' '4q rp' 'q rp4' 'rp4q']
output uppercased array : ['P4Q R' '4Q RP' 'Q RP4' 'RP4Q']

 
Code #2:




# Python Program explaining
# numpy.char.upper() function 
  
import numpy as geek 
  
  
in_arr = geek.array(['geeks', 'for', 'geeks'])
  
print ("input array : ", in_arr)
  
out_arr = geek.char.upper(in_arr)
print ("output uppercased array :", out_arr )

Output:

input array :  ['geeks' 'for' 'geeks']
output uppercased array : ['GEEKS' 'FOR' 'GEEKS']

 

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