Returns a tuple containing the left part of the string split by the specified separator, the separator itself and the right part of the string.

str. partition(sep)

sep

Required. Separator for the returned tuple. If the separator is not found, partition returns a 3-tuple containing the string itself, followed by two empty strings.

tuple

#TODO

>>> "AB-CD-EF".partition('-')
('AB', '-', 'CD-EF')
>>> "AB-CD-EF".partition(' ')
('AB-CD-EF', '', '')
>>> "AB-CD-EF".partition('D')
('AB-C', 'D', '-EF')

>>> "image.png".partition('.') # this example breaks image file-path into its components
('image', '.', 'png')

rpartition() for version that splits from right.