numpy.core.defchararray.zfill — NumPy v1.11 Manual (original) (raw)
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 |