Question: RUBY ONLY Define a method binary_multiple_of_4?(s) that takes a string and returns true if the string represents a binary number that is a multiple of

RUBY ONLY

Define a method binary_multiple_of_4?(s) that takes a string and returns true if the string represents a binary number that is a multiple of 4. NOTE: be sure it returns false if the string is not a valid binary number! Run associated tests via: $ rspec -e '#binary_multiple_of_4?' spec/part2_spec.rb

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