Determine if a string is collapsible: Difference between revisions

and for the missing predicate, foregrounded in the task title, and already forgotten in the listing of tests:

<lang python>'''Determining if a string is collapsible'''

from operator import eq

# isCollapsible :: String -> Bool

def isCollapsible(s):

'''True if s contains any consecutively

repeated characters.

'''

return False if 2 > len(s) else (

any(map(eq, s, s[1:]))

)

# ------------------------- TEST --------------------------

# main :: IO ()

def main():

'''Determining whether each string is collapsible'''

xs = [

"",

'"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln ',

"..1111111111111111111111111111111111111111111111111111111111111117777888",

"I never give 'em hell, I just tell the truth, and they think it's hell. ",

" --- Harry S Truman ",

"The better the 4-wheel drive, the further you'll be from help when ya get stuck!",

"headmistressship",

"aardvark",

"😍😀🙌💃😍😍😍🙌",

"abcdefghijklmnopqrstuvwxyz"

]

print([

isCollapsible(x) for x in xs

])

# MAIN ---

if __name__ == '__main__':

main()</lang>