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课程 \ Python3 入门教程

Python3 入门教程

代码 50 问答 0

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4-1 Python之if语句

# Enter a code

age = 19

if age>18:

   print('adult')

   print(age)

2022-02-03 查看完整代码

3-9 Python的字符串切片

# Enter a code

a='AABCDEFGHHIJ'

print(a[1:9])

print('AABCDEFGHHIJ'[1:9])

2022-02-02 查看完整代码

3-7 Python的字符串format

# Enter a code

tem='Life is short{}you need Python{}'

res=tem.format(',','.')

print(res)

template = 'Hello {}, Hello {}'

result = template.format('World', 'China')

print(result)

template='Life is short,{}you need Python.{}'

res=template.format('','')

print(res)

print('Life is short, you need {}'.format('Python'))

2022-02-02 查看完整代码

3-6 Python中raw字符串与多行字符串

# Enter a code

print(r'''Python is created by "Guido".

It is free and easy to learn.

Let's start learn Python in imooc!''')



print(r'''"To be,or not to be":that is the question.

Whether it's nobler in  the mind to suffer.''')

print('''Line 1

Line 2

Line 3''')

print('''Line 1

Line 2Line 3''')

2022-02-02 查看完整代码

3-5 Python的字符串

# Enter a code

print('Bob said \"I\'m OK\".')



print('special string:\',\",\\,\\\,\\n,\\t')

2022-02-02 查看完整代码

3-4 Python的布尔类型

# Enter a code

a='python'

print('hello,',a or 'world')

b=''

print('hello,',b and 'world')

b=''

print('hello,',b and 0)

2022-02-02 查看完整代码

3-3 Python的整数与浮点数

# Enter a code

a=3.14

b=1.57

c=a*b

print(c)

print(round(c,2))

2022-02-02 查看完整代码

3-2 Python定义变量的方法

# Enter a code

a=1

print(a)

a='abc'

print(a)

2022-02-02 查看完整代码

3-1 Python基础数据类型

# Enter a code

2022-02-02 查看完整代码

2-2 第一个Python程序

# coding=utf-8

print('Hello Word')

2022-02-01 查看完整代码

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Python3 入门教程