numpy.core.defchararray.islower(arr) function returns True for each element if all cased characters in the string are lowercase and there is at least one cased character, It returns false otherwise.
Parameters:
arr : array_like of str or unicode
Returns : [ndarray] Output array of bools.
Code #1:
import numpy as geek
in_arr = geek.array(['P4Q R', '4Q rP', 'Q rp4', 'rpq'])
print ("input array : ", in_arr)
out_arr = geek.char.islower(in_arr)
print ("output array :", out_arr)
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Output:
input array : ['P4Q R' '4Q rP' 'Q rp4' 'rpq']
output array : [False False False True]
Code #2:
import numpy as geek
in_arr = geek.array(['GEEKS', 'for', 'Geeks'])
print ("input array : ", in_arr)
out_arr = geek.char.islower(in_arr)
print ("output array :", out_arr )
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Output:
input array : ['GEEKS' 'for' 'Geeks']
output array : [False True False]
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Last Updated :
14 Jan, 2019
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