code golf meetup 2025 by xnor

while 1:
 r=''
 for c in input():r=(r+c*2).replace(c*4,c)
 print(r)

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

To protect the system from spam, please input your favorite sport (hint: I believe its name must start with 'g', case insensitive)

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