46 Simple Python Exercises This is version 0.45 of a collection of simple Python exercises constructed (but in many cases only found and collected) by Torbj�rn Lager (torbjorn.lager@ling.gu.se). Most of them involve characters, words and phrases, rat…

26. Using the higher order function reduce(), write a function max_in_list() that takes a list of numbers and returns the largest one. Then ask yourself: why define and call a new function, when I can just as well call the reduce() function directly?…

46 Simple Python Exercises-Very simple exercises 4.Write a function that takes a character (i.e. a string of length 1) and returns True if it is a vowel, False otherwise. #编写一个函数,该函数接受一个字符(即长度为1的字符串),如果是元音,则返回true,否则返回false. def if_vowel(a): a=a.lowe…

[CS61A] Lecture 5&6&7. Environments & Design & Functions Examples & Homework 2: Higher Order Functions Lecture Lecture 5. Environments 环境是编程语言中的一大命题,每个变量.函数都拥有它们所属的环境,也被称为作用域. 作用域在高阶函数中起到重要的作用,高阶函数中的变量因为作用域起到了状态的表示作用,使得多次调用特定的函数能够返回不同的…

Higher Order Reducers are simple reducer factories, that take a reducer as an argument and return a new reducer. In that new reducer, you can customize the behaviour of the original one which helps reducing the reducer logic. In this lesson, we'll se…

Higher order components will allow you to apply behaviors to multiple React components. So the idea is to create a high order component, then use this hight order component to create multi same behaivor component. So high order function is insdie fun…

When making a reusable component, you'll find that people often like to have the API they're most familiar with, so in this lesson we'll recreate the withToggle Higher Order Component using our new ConnectedToggle render prop component. function with…

In some cases, you might need to pass a string from your intl messages.js file as a prop to a component. Instead of using react-intl components (which generate markup), we’ll use the injectIntl higher order component provided by react-intl. This will…

In this lesson we'll create a Higher Order Component (HOC) that takes care of the key property that React looks for when using map to create elements from a list. This HOC will allow us to wrap any component and it will take care of placing the keypr…

code: import serial,time,itertools try: ser=serial.Serial(2,115200,timeout=0) except: print 'Open COM2 Failed!!' #transno=(1,100,500,1380,1381) #transno=(1,20) indexsets=[[0],[1],[2],[3],[0,1],[0,2],[0,3],[1,2],[1,3],[2,3],[0,1,2],[0,1,3],[0,2,3],[1,…