如何将字符串数组转换为逗号分隔的字符串? [英] How do I convert an array of strings into a comma-separated string?

问题描述

我有一个数组:

array = ["10", "20", "50", "99"]

我想将其转换为一个简单的逗号分隔的字符串列表，如下所示:

And I want to convert it into a simple comma-separated string list like this:

"10", "20", "50", "99"

推荐答案

["10", "20", "50","99"].map(&:inspect).join(', ') # => '"10", "20", "50", "99"'

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