Notice: While Javascript is not essential for this website, your interaction with the content will be limited. Please turn Javascript on for the full experience.

Donate

Menu

# Python 3: Fibonacci series up to n
>>> def fib(n):
>>>     a, b = 0, 1
>>>     while a < n:
>>>         print(a, end=' ')
>>>         a, b = b, a+b
>>>     print()
>>> fib(1000)
0 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987

手机上外网软件2025

The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. More about defining functions in Python 3

# Python 3: List comprehensions
>>> fruits = ['Banana', 'Apple', 'Lime']
>>> loud_fruits = [fruit.upper() for fruit in fruits]
>>> print(loud_fruits)
['BANANA', 'APPLE', 'LIME']

# List and the enumerate function
>>> list(enumerate(fruits))
[(0, 'Banana'), (1, 'Apple'), (2, 'Lime')]

手机上外网软件2025

Lists (known as arrays in other languages) are one of the compound data types that Python understands. Lists can be indexed, sliced and manipulated with other built-in functions. More about lists in Python 3

```
# Python 3: Simple arithmetic
>>> 1 / 2
0.5
>>> 2 ** 3
8
>>> 17 / 3  # classic division returns a float
ios歪p恩
>>> 17 // 3  好用的歪皮恩
5
```
手机上外网软件2025

Calculations are simple with Python, and expression syntax is straightforward: the operators +, -, * and / work as expected; parentheses () can be used for grouping. More about simple math functions in Python 3.
```
# Python 3: Simple output (with Unicode)
>>> print("Hello, I'm Python!")
Hello, I'm Python!

好用的歪皮恩
>>> name = input('What is your name?\n')
>>> print('Hi, %s.' % name)
What is your name?
Python
Hi, Python.
```
手机上外网软件2025

Experienced programmers in any other language can pick up Python very quickly, and beginners find the clean syntax and indentation structure easy to learn. Whet your appetite with our Python 3 overview.
```
# For loop on a list
>>> numbers = [2, 4, 6, 8]
>>> product = 1
>>> for number in numbers:
...    product = product * number
... 
>>> print('The product is:', product)
The product is: 384
```
手机上外网软件2025

Python knows the usual control flow statements that other languages speak — if, for, while and range — with some of its own twists, of course. More control flow tools in Python 3

Python is a programming language that lets you work quickly and integrate systems more effectively. Learn More

手机上外网软件2025

More

2025-07-30 Upgrade to pip 20.2, plus, changes coming in 20.3
2025-07-27 Abigail Dogbe Awarded the PSF Community Service Award for Q1 2025
2025-07-24 Python Software Foundation Fellow Members for Q2 2025
2025-07-21 Python 3.8.5 released as a security hotfix. 3.9.0b5, the last beta before 3.9.0, also available
2025-07-16 Python Software Foundation - July 2025 Newsletter

v p n苹果下载

2025-08-28 ant加速器ios
2025-09-05 PyCon TW 2025
ios歪p恩09-11 ant加速器ios
2025-09-16 DjangoCon Europe 2025
2025-09-19 DragonPy 2025

More

几款ND滤镜及GND滤镜镜个人使用报告（包括LEE ...- 摄影附件:2021-4-11 · 最近有机会接触并使用了国际品牌LEE、Hitech、国产海大、国产极光的几款ND、GND滤镜，并在同场景条件下，对这几个品牌进行了一些不严谨的测试，主要是注重实用效果比较，由 ...

Using Python scripts to analyse SEO and broken links on your site by Marnix de Munck

More

电脑怎么上外网youtube,安卓手机上外网教程,怎么进入外网,电脑怎么上外网站学长云官网网址,学长云vnp,学长云免费永久加速,学长云免费试用 23区空港pc版下载,23区空港vqn,23区空港vnp,23区空港2025年雷光加速器pc版下载,雷光加速器vnp,雷光加速器永久免费加速,雷光加速器vqn blinkl7天试用,blinkl用不了了,blinkl2025年,blinkl不能用了小火箭加速器节点购买ios下载,小火箭加速器节点购买永久免费加速,小火箭加速器节点购买跑路了,小火箭加速器节点购买打不开了 gta5加速器推荐免费科学加速器官网,科学加速器安卓下载,科学加速器2025,科学加速器不能用了