numpy.char.zfill

char.zfill(a, width)

Return the numeric string left-filled with zeros

Calls str.zfill element-wise.

Parameters

aarray_like, {str, unicode}

Input array.

widthint

Width of string to left-fill elements in a.

Returns

outndarray, {str, unicode}

Output array of str or unicode, depending on input type

See also

str.zfill

numpy.char.upper numpy.char.equal