教材:《Python编程 从入门到实践》
4-5:计算1-1 000 000的总和
# 4-5 insane sum l = list(range(1, 1000001)) print(min(l)) print(max(l)) print(sum(l))
输出:
1 1000000 500000500000
4-7:3的倍数
# 4-7 multiples of 3 l = [i * 3 for i in range(1, 11)] print(l)
输出:
[3, 6, 9, 12, 15, 18, 21, 24, 27, 30]
4-10:切片
# 4-10 slices l = [3 * i for i in range(1, 11)] print(l[0:3]) print(l[4:7]) print(l[-3:])
输出:
[3, 6, 9] [15, 18, 21] [24, 27, 30]