import pywordsegment

# The internal UNIGRAMS & BIGRAMS corpuses are lazy initialized
# once per the whole module. Multiple WordSegmenter instances would
# not create new dictionaries.
word_segmenter = pywordsegment.WordSegmenter()

# Segments a word to its parts
word_segmenter.segment(
    text="theusashops",
)
# ["the", "usa", "shops"]


# This function checks whether the substring exists as a whole segment
# inside text.
word_segmenter.exist_as_segment(
    substring="inter",
    text="internationalairport",
)
# False

word_segmenter.exist_as_segment(
    substring="inter",
    text="intermilan",
)
# True