Differences from Python

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Python

Groovy

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{}

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[:] // an empty map

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Depends: d if used inlike: for k in dlistd: list(d) if list isneeded neededdd.[iter]keys() explicitly

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d.keySet()

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d.[iter]values()

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d.values()

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[k+1 for k in d]

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d.collect { k, v -> k+1 }

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d = dict(zip(k, v))

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k = 1..3 v = 'a'..'c' d = [:]; k.eachWithIndex { it, i -> d[it] = v[i] } println d // [1:"a", 2:"b", 3:"c"]

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