numpy.core.defchararray.isalpha(a)[source]
Returns true for each element if all characters in the string are alphabetic and there is at least one character, false otherwise.
Calls str.isalpha
element-wise.
For 8-bit strings, this method is locale-dependent.
Parameters: |
a : array_like of str or unicode |
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Returns: |
out : ndarray Output array of bools |
See also
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https://docs.scipy.org/doc/numpy-1.10.1/reference/generated/numpy.core.defchararray.isalpha.html