numpy.core.defchararray.zfill¶
- numpy.core.defchararray.zfill(a, width)[source]¶
Return the numeric string left-filled with zeros
Calls str.zfill element-wise.
Parameters : a : array_like, {str, unicode}
Input array.
width : int
Width of string to left-fill elements in a.
Returns : out : ndarray, {str, unicode}
Output array of str or unicode, depending on input type
See also