def input_data(f): f.readline() line = f.readline() while line.startswith('#'): line = f.readline() data = [] while line != '': nums = line.split() int_nums = [] for n in nums: int_nums.append(int(n[:-1])) data.append(int_nums) line = f.readline() return data def main(): myfile = open('lynx.txt') print(input_data(myfile)) myfile.close() main()