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  • 7
    \$\begingroup\$ Nice challenge! \$\endgroup\$ Commented Aug 21, 2018 at 22:22
  • 1
    \$\begingroup\$ Btw, for next time, consider using the Sandbox to iron out issues with a challenge before posting it to the main site. \$\endgroup\$ Commented Aug 21, 2018 at 22:34
  • 8
    \$\begingroup\$ @Adám No, the recursive string parsing logic required is the reason I wrote this prompt. \$\endgroup\$ Commented Aug 21, 2018 at 22:43
  • 2
    \$\begingroup\$ If the input is ['a','..b', '.c', '..d'], what should the output be? ['a','..b', '.c', '..d'] or ['a','.c','..b', '..d'] or some other thing? (I'm using '.' instead of space for visual clarity). \$\endgroup\$ Commented Aug 22, 2018 at 0:03
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    \$\begingroup\$ @streetster strings (a-z XOR A-Z) \$\endgroup\$ Commented Aug 22, 2018 at 21:12