>>> sentence = ['this','is','a','sentence']
>>> '-'.join(sentence)
'this-is-a-sentence'
#python 3.x
words_list = ['Joey', 'doesnot', 'share', 'food']
print(" ".join(words_list))
listvalues = ['a', 'b', 'c']
concstring = ''.join(l)
'separator'.join([ 'List','of',' string' ])