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RUBY: Checking for matches between a and b, then appending matches to new array called c is my goal.
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| def foo(a, b) | |
| c = Array.new; | |
| for i in a | |
| for j in b | |
| if i == j | |
| c << "j" | |
| return unique(c) | |
| error is | |
| part4.rb:7: syntax error, unexpected $end, expecting keyword_end | |
| return unique(c) | |
| ^ | |
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