#! /usr/bin/env python
# -*- coding: utf-8 -*-
string="I am learning Python"

print('['+string[0:200]+']')
print('['+string[:200]+']')

print('['+string[200:]+']')

print('['+string[5:5]+']')

print('['+string[5:3]+']')

print('['+string[-100:]+']')

print('['+string[0:-200]+']')