davidbj

http://www.runoob.com/python/python-100-examples.html

davidbj

#!/usr/bin/env python

import re


class Tail:

    def __init__(self, file=None, regex=None):
        self.__file = file
        self.__mode = 'r'

davidbj

def happy_num(num):
    st = set()
    while True:
        if num == 1:
            return True
        num = sum([int(i)**2 for i in str(num)])
        if num in st:
            return False
        st.add(num)
        

davidbj

def find(origin=None, items=None):
    dc = {}
    lst = []
    idx=0
    for i in items:
        for j in origin:
            if i == j:
                lst.append(origin.index(j, idx))
                idx=origin.index(j)+1
            else:

davidbj

def inject_user(default_user=None):
    def user(fn):
        def wraps(*args, **kwargs):
            if kwargs.get('user'):
                return kwargs['user']
            else:
                return default_user
        return wraps
    return user
    

davidbj

def add(*args):
    from functools import reduce
    sum = reduce(lambda x,y:x+y, args)
    return sum

def sum(fn, num):
    while True:
        if num < 9:
            return num
        

davidbj

ld = [2, 3, 4, 5, 6, 7]

def isPrime(n):
    if n <= 1:
        return False
    i = 2
    while i * i <= n:
        if n % i == 0:
            return False
        i+=1

davidbj

def list_deduplication():
    """List Deduplication.
    """
    ld = [1, 3, 2, 4, 3, 4, 2, 5, 5, 7]
    nld = []
    [nld.append(str(i)) for i in ld if str(i) not in nld]
    return ','.join(nld)
    
list_deduplication()

davidbj

def fun():
    """Guess the number.
    Three chances Yo.
    """
    constant=4
    for i in range(3):
        number = int(input("Please input a number:"))
        if num == constant:
            msg = "congratulations! you win!"
            return msg

davidbj

#实现一个简单的python tornado Websocket 实例.

#${ROOT}/ws.py

#!-*- coding:utf-8 -*-

import os.path
import tornado.httpserver
import tornado.web
import tornado.ioloop