l = ['aaa', 'bbb', 'ccc'] s = ''.join(l) print(s) # aaabbbccc s = ','.join(l) print(s) # aaa,bbb,ccc s = '-'.join(l) print(s) # aaa-bbb-ccc s = '\n'.join(l) print(s) # aaa # bbb # ccc
list1 = [1,2,3,4,5] list1.append([6,7]) # ouput = 1,2,3,4,5,6,7