Determine if a string is collapsible: Difference between revisions

=={{header|Python}}==

<lang python>from itertools import groupby

def collapser(txt):

return ''.join(item for item, grp in groupby(txt))

if __name__ == '__main__':

strings = [

"",

'"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",

"😍😀🙌💃😍😍😍🙌",

]

for txt in strings:

this = "Original"

print(f"\n{this:14} Size: {len(txt)} «««{txt}»»»" )

this = "Collapsed"

sqz = collapser(txt)

print(f"{this:>14} Size: {len(sqz)} «««{sqz}»»»" )</lang>

{{out}}

<pre>Original Size: 0 «««»»»

Collapsed Size: 0 «««»»»

Original Size: 72 «««"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln »»»

Collapsed Size: 70 «««"If I were two-faced, would I be wearing this one?" - Abraham Lincoln »»»

Original Size: 72 «««..1111111111111111111111111111111111111111111111111111111111111117777888»»»

Collapsed Size: 4 «««.178»»»

Original Size: 72 «««I never give 'em hell, I just tell the truth, and they think it's hell. »»»

Collapsed Size: 69 «««I never give 'em hel, I just tel the truth, and they think it's hel. »»»

Original Size: 72 ««« --- Harry S Truman »»»

Collapsed Size: 17 ««« - Hary S Truman »»»

Original Size: 80 «««The better the 4-wheel drive, the further you'll be from help when ya get stuck!»»»

Collapsed Size: 77 «««The beter the 4-whel drive, the further you'l be from help when ya get stuck!»»»

Original Size: 16 «««headmistressship»»»

Collapsed Size: 14 «««headmistreship»»»

Original Size: 8 «««aardvark»»»

Collapsed Size: 7 «««ardvark»»»

Original Size: 8 «««😍😀🙌💃😍😍😍🙌»»»

Collapsed Size: 6 «««😍😀🙌💃😍🙌»»»</pre>