def startswith(a, prefix, start=<NUM_LIT:0>, end=None):
return _vec_string(<EOL>a, bool_, '<STR_LIT>', [prefix, start] + _clean_args(end))<EOL>
Returns a boolean array which is `True` where the string element
in `a` starts with `prefix`, otherwise `False`.

Calls `str.startswith` element-wise.

Parameters
----------
a : array_like of str or unicode

prefix : str

start, end : int, optional
    With optional `start`, test beginning at that position. With
    optional `end`, stop comparing at that position.

Returns
-------
out : ndarray
    Array of booleans

See also
--------
str.startswith