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First of Between Markers solution in Speedy category for Between Markers by Oleg_Novikov
def between_markers(text: str, first_mark: str, second_mark: str) -> str:
"""
returns substring between two given markers
"""
begin = text.find(first_mark)
end = text.find(second_mark)
if begin < 0:
begin = 0
else:
begin += len(first_mark)
if end < 0:
end = len(text)
if end < begin:
return ''
return text[begin: end]
if __name__ == '__main__':
print('Example:')
print(between_markers('What is >apple<', '>', '<'))
# These "asserts" are used for self-checking and not for testing
assert between_markers('What is >apple<', '>', '<') == "apple", "One sym"
assert between_markers("My new site",
"", "") == "My new site", "HTML"
assert between_markers('No[/b] hi', '[b]', '[/b]') == 'No', 'No opened'
assert between_markers('No [b]hi', '[b]', '[/b]') == 'hi', 'No close'
assert between_markers('No hi', '[b]', '[/b]') == 'No hi', 'No markers at all'
assert between_markers('No ', '>', '<') == '', 'Wrong direction'
print('Wow, you are doing pretty good. Time to check it!')
Jan. 16, 2019
