Cat brother teach you to write reptile 001 - print () functions and variables

What is Python?

Without further ado, Syria, directly on the code

import time
print('你来和我做朋友了吗？我好高兴啊！让我来介绍一下自己')
time.sleep(4)
print('有人说：我是迈入人工智能时代的第一道门槛。')
time.sleep(4)
print('这没错，确实有很多人工智能算法都是通过我来实现的')
time.sleep(4)
print('还有人说，我是编程初学者入门的最好选择')
time.sleep(4)
print('这也对，因为我还被称为"胶水语言"，是最简洁的编程语言了')
time.sleep(4)
print('但是，对你而言，我究竟应该是什么呢？')
time.sleep(4)
print('其实，我是你实现目的的一个工具，只要你有需求，我就能帮上忙')
time.sleep(4)
print('''我会好好地帮助你，带你紧跟人工智能时代;
我会解放你的双手，帮你提高工作效率；
我能成为你的职场助手，助你升职加薪''')
time.sleep(12)
print('我就像一把万能钥匙，你想用我打开哪个大门，全凭你自己决定')
time.sleep(1)
复制代码

Install python interpreter

python's official website ( www.python.org)

Select downloads

Select windows

Double-click the installation

Python determine whether the installation was successful (see the version of the way)

windows + R ==> Run ==> cmd ==> Open command window

python --version

Installation vscode Editor

Start learning python knowledge

The first program hello world

print('hello world')
复制代码

Variables in python is not the `###

千寻 = '我叫千寻'
print(千寻) # python支持中文, 变量应该先声明再使用
复制代码

Single or double quotation marks can be mixed, but there is no difference

print('一起玩吧')
#括号内是单引号的情况。
print("一起玩吧")
#括号内是双引号的情况。
print("Let's play")
#括号内单双引号同时存在的情况。
复制代码

Sogou input method can tick中文时使用英文标点

can print wrap

Of course, you can not set the wrap ...

​

print('hello world',end='') # end参数设置结束时的符号, 可以是\t, 可以是其他的, 默认\n
复制代码

Print "Qin Yuan Chun Changsha"

沁园春·长沙 [现代] 毛泽东 独立寒秋，湘江北去，橘子洲头。 看万山红遍，层林尽染； 漫江碧透，百舸争流。 鹰击长空，鱼翔浅底， 万类霜天竞自由。 怅寥廓，问苍茫大地，谁主沉浮？ 携来百侣曾游， 忆往昔峥嵘岁月稠。 恰同学少年，风华正茂； 书生意气，挥斥方遒。 指点江山，激扬文字， 粪土当年万户侯。 曾记否，到中流击水，浪遏飞舟！
复制代码

Three ways to wrap

\n

print('沁园春·长沙\n [现代] 毛泽东 \n独立寒秋，湘江北去，橘子洲头。 \n看万山红遍，层林尽染； \n漫江碧透，百舸争流。 \n鹰击长空，鱼翔浅底， 万类霜天竞自由。 \n怅寥廓，问苍茫大地，谁主沉浮？ \n携来百侣曾游， 忆往昔峥嵘岁月稠。 \n恰同学少年，风华正茂； \n书生意气，挥斥方遒。 \n指点江山，激扬文字， 粪土当年万户侯。 \n曾记否，到中流击水，浪遏飞舟！')
复制代码

print () default line break

print('沁园春·长沙')
print('[现代] 毛泽东')
print('独立寒秋，湘江北去，橘子洲头。')
print('看万山红遍，层林尽染；')
print('漫江碧透，百舸争流。')
print('鹰击长空，鱼翔浅底， 万类霜天竞自由。')
print('怅寥廓，问苍茫大地，谁主沉浮？')
print('携来百侣曾游， 忆往昔峥嵘岁月稠。')
print('恰同学少年，风华正茂；')
print('书生意气，挥斥方遒。')
print('指点江山，激扬文字， 粪土当年万户侯。')
print('曾记否，到中流击水，浪遏飞舟！')
复制代码

Three marks can be automatically identified wrap

print('''沁园春·长沙
[现代] 毛泽东
独立寒秋，湘江北去，橘子洲头。
看万山红遍，层林尽染；
漫江碧透，百舸争流。
鹰击长空，鱼翔浅底， 万类霜天竞自由。
怅寥廓，问苍茫大地，谁主沉浮？
携来百侣曾游， 忆往昔峥嵘岁月稠。
恰同学少年，风华正茂；
书生意气，挥斥方遒。
指点江山，激扬文字， 粪土当年万户侯。
曾记否，到中流击水，浪遏飞舟！''')
复制代码

print('let\'s go')
复制代码

Variables and assignments

Variable is a container

Naming variables

Assignment and comparison operators

python is strictly case sensitive

there is no python===

== On behalf of congruent

Small summary

operation

Please use the print () function will print out the following Pikachu, three ways

    へ          ／|
    /＼7       ∠＿/
   /  │     ／  ／
  │  Z ＿,＜  ／     /`ヽ
  │          ヽ     /    〉
   Y          `   /    /
  ｲ●  ､  ●    ⊂⊃〈    /
  ()   へ        |  ＼〈
    >ｰ ､_   ィ   │ ／／
   / へ     /  ﾉ＜| ＼＼
   ヽ_ﾉ    (_／   │／／
    7              |／
    ＞―r￣￣`ｰ―＿
复制代码

Quick Jump:

Cat brother teach you to write reptile 000-- begins .md
cat brother teach you to write reptile 001 - print () functions and variables .md
cat brother teach you to write reptile 002-- job - Pikachu .md print
cat brother teach you to write reptiles 003 data type conversion .md
cat brother teach you to write reptile 004-- data type conversion - small practice .md
cat brother teach you to write reptile 005-- data type conversion - small jobs .md
cat brother teach you to write reptile 006- - conditional and nested conditions .md
cat brother teach you to write 007 reptile conditional and nested conditions - small operating .md
cat brother teach you to write reptile 008 - input () function .md
cat brother teach you to write reptiles 009 - input () function - AI little love students .md
cat brother teach you to write a list of 010 reptiles, dictionaries, circulation .md
cat brother teach you to write reptile 011-- lists, dictionaries, circulation - small jobs .md
cat brother teach you to write a Boolean value, and four reptile 012-- statements .md
cat brother teach you to write a Boolean value, and four reptile 013-- statements - smaller jobs .md
cat brother teach you to write reptile 014 - pk game. md
cat brother teach you to write reptile 015 - pk game (new revision) .md
cat brother teach you to write reptile 016-- function .md
cat brother teach you to write reptile 017-- function - a small job .md
cat brother to teach you write reptile 018--debug.md
cat brother teach you to write reptile 019 - debug- job. md
cat brother teach you to write reptiles 020-- Classes and Objects (on) .md
cat brother teach you to write reptiles 021-- Classes and Objects (a) - Job .md
Cat brother teach you to write reptiles 022-- Classes and Objects (lower) .md
cat brother teach you to write reptiles 023-- Classes and Objects (lower) - Job .md
cat brother teach you to write reptile 024-- decoding coded && .md
cat brother teach you to write reptile 025 && decoding coded - small jobs .md
cat brother teach you to write reptile 026-- module .md
cat brother teach you to write reptile 027-- module introduces .md
cat brother teach you to write reptile 028- - introduction module - small job - billboards .md
cat brother teach you to write Preliminary -requests.md reptile reptilian 029--
cat brother teach you to write reptile reptilian 030-- Preliminary -requests- job .md
cat brother teach you to write 031 reptiles - reptile basis -html.md
cat brother teach you to write reptile reptilian 032-- first experience -BeautifulSoup.md
cat brother teach you to write reptile reptilian 033-- first experience -BeautifulSoup- job .md
cat brother teach you to write reptile 034- - reptile -BeautifulSoup practice .md
cat brother teach you to write 035-- reptile reptilian -BeautifulSoup practice - job - film top250.md
cat brother teach you to write 036-- reptile reptilian -BeautifulSoup practice - work - work to resolve .md movie top250-
cat brother teach you to write 037-- reptile reptiles - to listen to songs .md baby
cat brother teach you to write reptile 038-- arguments request .md
cat brother teach you to write data stored reptile 039-- .md
cat brother teach you to write reptiles 040-- store data - Job .md
cat brother teach you to write reptile 041-- analog login -cookie.md
Cat brother teach you to write reptile 042 - session usage .md
cat brother teach you to write reptile 043-- analog browser .md
cat brother teach you to write reptile 044-- analog browser - job .md
cat brother teach you to write reptiles 045-- coroutine .md
cat brother teach you to write reptile 046-- coroutine - practice - what to eat not fat .md
cat brother teach you to write reptile 047 - scrapy framework .md
cat brother teach you to write reptile 048-- .md reptile reptiles and anti-
cat brother teach you to write reptile 049-- end Sahua .md

Reproduced in: https: //juejin.im/post/5cfbda5ef265da1b667bcd01