Merge pull request #10949 from pokgopun/pwc289

Pwc289

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+### https://theweeklychallenge.org/blog/perl-weekly-challenge-289/
+"""
+
+Task 2: Jumbled Letters
+
+Submitted by: [51]Ryan Thompson
+     __________________________________________________________________
+
+   An Internet legend dating back to at least 2001 goes something like
+   this:
+
+     Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn’t mttaer
+     in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is
+     taht the frist and lsat ltteer be at the rghit pclae. The rset can
+     be a toatl mses and you can sitll raed it wouthit porbelm. Tihs is
+     bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the
+     wrod as a wlohe.
+
+   This supposed Cambridge research is unfortunately an urban legend.
+   However, the effect has been studied. For example—and with a title that
+   probably made the journal’s editor a little nervous—Raeding wrods with
+   jubmled lettres: there is a cost by Rayner, White, et. al. looked at
+   reading speed and comprehension of jumbled text.
+
+   Your task is to write a program that takes English text as its input
+   and outputs a jumbled version as follows:
+    1. The first and last letter of every word must stay the same
+    2. The remaining letters in the word are scrambled in a random order
+       (if that happens to be the original order, that is OK).
+    3. Whitespace, punctuation, and capitalization must stay the same
+    4. The order of words does not change, only the letters inside the
+       word
+
+   So, for example, “Perl” could become “Prel”, or stay as “Perl,” but it
+   could not become “Pelr” or “lreP”.
+
+   I don’t know if this effect has been studied in other languages besides
+   English, but please consider sharing your results if you try!
+     __________________________________________________________________
+
+   Last date to submit the solution 23:59 (UK Time) Sunday 6th October
+   2024.
+     __________________________________________________________________
+
+SO WHAT DO YOU THINK ?
+"""
+### solution by pokgopun@gmail.com
+
+# https://docs.python.org/3/library/re.html#text-munging
+
+import re
+import random
+
+def repl(m):
+    inner_word = list(m.group(2))
+    random.shuffle(inner_word)
+    return m.group(1) + "".join(inner_word) + m.group(3)
+
+text = '''Mechanical Sympathy
+When you understand how a system is designed to be used, you can align with the design to gain optimal performance. For example, if you know that a certain type of memory is more efficient when addresses are multiples of a factor, you can optimize your performance by using data structure alignment.
+
+'''
+print(text)
+print(re.sub(r"(\w)(\w+)(\w)", repl, text))