#!/usr/bin/env python3
# -*- coding: utf-8 -*-

L = ["Michael", "Sarah", "Tracy", "Bob", "Jack"]

print("L[0:3] =", L[0:3])
print("L[:3] =", L[:3])
print("L[1:3] =", L[1:3])
print("L[-2:] =", L[-2:])

R = list(range(100))
print("R[:10] =", R[:10])
print("R[-10:] =", R[-10:])
print("R[10:20] =", R[10:20])
print("R[:10:2] =", R[:10:2])
print("R[::5] =", R[::5])

S = "hello, world"
print("S[:5] =", S[:5])
print("S[7:] =", S[7:])