python dict key list

list(dict) works in both Python 2 and Python 3, providing a simple list of the keys in dict. keys() isn't necessary. (: ... for key in list(newdict): del newdict[key] On Python 2 there is a marginal performance gain using keys(). share | improve this

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Python是一款簡單強大又好用的動態語言,在國外已經流行了十幾年。Python擁有更高的時效性,可以讓您的開發週期更短,並讓您的生產力提升。 簡單易學,並有內建的各種現成的模組 ...

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