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First solution in Clear category for Between Markers by Star_trek.Ray
def between_markers(text: str, begin: str, end: str) -> str:
"""
returns substring between two given markers
"""
#print(text)
#print(text.find(begin))
#print((text.find(begin)+len(begin))*(1+text.find(begin)/abs(text.find(begin)))/2)
#print(len(text)-(text[::-1].find(end[::-1])*len(end))*(1+text[::-1].find(end[::-1])/abs(text[::-1].find(end[::-1])))/2)
#return text[text.find(begin)+len(begin):len(text)-text[::-1].find(end[::-1])-len(end)]
if text.find(begin)>text.find(end)>-1:
return ('')
if text.find(begin)!=-1:
text=text[text.find(begin)+len(begin):]
if text.find(end)!=-1:
text=text[:text.find(end)]
return(text)
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!')
Aug. 31, 2021