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\$\begingroup\$ This returns true for input aab, unfortunately. \$\endgroup\$

maxb
– maxb

2019-08-13 13:36:29 +00:00
Commented Aug 13, 2019 at 13:36
\$\begingroup\$ @maxb, thanks for checking. s. replaced with (s+s). to handle that. \$\endgroup\$

Dr Y Wit
– Dr Y Wit

2019-08-13 15:33:05 +00:00
Commented Aug 13, 2019 at 15:33
\$\begingroup\$ Good job! Though now I noticed that it fails for aaaabb and aabbbb. \$\endgroup\$

maxb
– maxb

2019-08-13 16:57:57 +00:00
Commented Aug 13, 2019 at 16:57
\$\begingroup\$ @maxb, apologies, now I tested on all your test cases from starting post. \$\endgroup\$

Dr Y Wit
– Dr Y Wit

2019-08-14 00:09:18 +00:00
Commented Aug 14, 2019 at 0:09

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print(foo)
```
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