# numpy.char.zfill

char.zfill(a, width)

  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

  `str.zfill`

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