Created
December 3, 2023 21:19
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Hash (Dict) with a default value in Ruby vs Python
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| from collections import defaultdict | |
| dict = defaultdict(lambda : 0) | |
| dict["a"] | |
| # => 0 | |
| dict.keys() | |
| # => dict_keys(['a']) | |
| print(dict.get("b")) | |
| # => None | |
| dict.keys() | |
| # => dict_keys(['a']) |
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| hash = Hash.new(0) | |
| hash[:a] | |
| # => 0 |
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