LeetCode execrise and some small tools

there should be some descriptions.

environment

• python2
• python3

Install

pip install LeetCodeCrawler

How to Use

LeetCodeCrawler -h

# random problem
LeetCodeCrawler

#specific language and difficulty
LeetCodeCrawler -l python -d medium

TODO

• crawl answer
• use docopt instead of argparse
• character issue
• crawl other data
• beautify ui