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  • \$\begingroup\$ why is the second space/length symbol a nop? \$\endgroup\$ Commented Nov 12, 2021 at 21:31
  • \$\begingroup\$ @Mayube It's not really a nop, just is in the context of this program. If we push two spaces and only use one, the other's useless. ðL gets a 1, and the length of 1 is 1 so the second does nothing. \$\endgroup\$ Commented Nov 12, 2021 at 21:33
  • \$\begingroup\$ Ah that makes sense! \$\endgroup\$ Commented Nov 12, 2021 at 21:33