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"""

>>> clip('banana ', 6)

'banana'

>>> clip('banana ', 7)

'banana'

>>> clip('banana ', 5)

'banana'

>>> clip('banana split', 6)

'banana'

>>> clip('banana split', 7)

'banana'

>>> clip('banana split', 10)

'banana'

>>> clip('banana split', 11)

'banana'

>>> clip('banana split', 12)

'banana split'

"""

# BEGIN CLIP_ANNOT

def clip(text:str, max_len:'int > 0'=80) -> str: # <1>

"""Return text clipped at the last space before or after max_len

"""

end = None

if len(text) > max_len:

space_before = text.rfind(' ', 0, max_len)

if space_before >= 0:

end = space_before

else:

space_after = text.rfind(' ', max_len)

if space_after >= 0:

end = space_after

if end is None: # no spaces were found

end = len(text)

return text[:end].rstrip()

# END CLIP_ANNOT