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
```
飞鸟加速器-雷霆加器速

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')]

飞鸟加速器-雷霆加器速

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
```
飞鸟加速器-雷霆加器速

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.
```
飞鸟加速器-雷霆加器速

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
```
飞鸟加速器-雷霆加器速

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

飞鸟加速器-雷霆加器速

More

2024-07-30 Upgrade to pip 20.2, plus, changes coming in 20.3
2024-07-27 Abigail Dogbe Awarded the PSF Community Service Award for Q1 2024
2024-07-24 Python Software Foundation Fellow Members for Q2 2024
2024-07-21 Python 3.8.5 released as a security hotfix. 3.9.0b5, the last beta before 3.9.0, also available
2024-07-16 Python Software Foundation - July 2024 Newsletter

v p n苹果下载

2024-08-28 ant加速器ios
2024-09-05 PyCon TW 2024
ios歪p恩09-11 ant加速器ios
2024-09-16 DjangoCon Europe 2024
2024-09-19 DragonPy 2024

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