def split(species):
"""
Splits the parameter (str) in a prefix and a suffix, where the prefix is
formed by the longest sequence of consonants at the start of the parameter.
>>> split('sheep')
('sh', 'eep')
>>> split('goat')
('g', 'oat')
"""
def hybridize(species1, species2):
"""
Returns a tuple containing two strings. The first element of the tuple is
formed by concatenating the prefix of the first parameter and the suffix
of the second parameter. The second element of the tuple is formed by
concatenating the prefix of the second parameter and the suffix of the
first parameter.
>>> hybridize('sheep', 'goat')
('shoat', 'geep')
>>> hybridize('lion', 'tiger')
('jeopard', 'laguar')
>>> hybridize('schnauzer', 'poodle')
('schnoodle', 'pauzer')
"""
if __name__ == '__main__':
import doctest
doctest.testmod()