#! /usr/bin/python def Flatten(list): newList = [] for i in range(len(list)): if(type(list[i]) == type([])): for j in range(len(list[i])): newList.append(list[i][j]) else: newList.append(list[i]) return newList Solution #! /usr/bin/python def Flatten(list): newList = [] for i in range(len(list)): if(type(list[i]) == type([])): for j in range(len(list[i])): newList.append(list[i][j]) else: newList.append(list[i]) return newList.