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data = ["some", "data", "lots", "of", "strings"]
print(".".join(data))
some.data.lots.of.strings
print(",".join(data))
some,data,lots,of,strings
python concatenate list with separator
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>>> exampleList = ['car', 'house', 'computer']
>>> ','.join(exampleList)
'car,house,computer'
>>>