image: Guess the programming language with array and dictionary addition

Tuesday, July 3, 2018

Guess the programming language.

In which programming language are all of these true?
- [] + [] is an empty string.
- [] + {} is a string describing the empty object.
- {} + [] is 0.
- {} + {} is not-a-number.
In which programming language are all of these true?
- [] + [] is an empty list.
- [] + {} raises TypeError.
- {} + [] raises TypeError
- {} + {} raises TypeError.
In which programming language are all of these true?
- [] + [] is an empty list.
- [] + {} raises TypeError.
- {} + [] raises NoMethodError
- {} + {} raises NoMethodError.
In which programming language are all of these true?
- [] + [] is a positive number, e.g. 19806432.
- [] + {} is a positive number, e.g. 20142304.
- {} + [] is a positive number, e.g. 58300640.
- {} + {} is a positive number, e.g. 27597024.

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