Ports - Heather

[piffer59]

Binary and Decimal

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[bonara]

Nice work! I see we used the same logic :)
For the times loop, I don't think we need the iteration variable 'digit'. The following code should also work.

binary_array.length.times do 
    expected_decimal += binary_array[x] * 2 ** y
    x -= 1
    y += 1
  end

Since the iteration variable 'digit' starts at 0 and is incremented by 1 on each pass through the loop, we don't need it.