Python

Python is a programming language created in 1991 by Guido van Rossum.

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Python is a widely used high-level programming language for general-purpose programming, created by Guido van Rossum and first released in 1991. An interpreted language, Python has a design philosophy that emphasizes code readability (notably using whitespace indentation to delimit code blocks rather than curly brackets or keywords), and a syntax that allows programmers to express concepts in fewer lines of code than might be used in languages such as C++ or Java. It provides constructs that enable clear programming on both small and large scales. Read more on Wikipedia...

• the Python website
• the Python Wikipedia page
• the Python docs
• the Python specs
• the Python mailing list
• There are at least 9,300,725 Python repos on GitHub
• Python first developed in Centrum Wiskunde & Informatica
• PLDB estimates there are currently 47k job openings for Python programmers.
• file extensions for Python include py, pyc, pyd, pyo, cgi, fcgi, gyp, gypi, lmi, py3, pyde, pyi, pyp, pyt, pyw, rpy, smk, spec, tac, wsgi, xpy, jy, sage, sc, SConstruct, SConscript, bzl, BUCK, BUILD, BUILD.bazel and WORKSPACE
• The Google BigQuery Public Dataset GitHub snapshot shows 297k users using Python in 550k repos on GitHub
• Check out the 1,964 Python meetup groups on Meetup.com.
• There are 979,629 members in the Python subreddit
• There are 60,791 Project Euler users using Python
• In the 2021 StackOverflow developer survey Python programmers reported a median salary of $59,454. 48% of respondents reported using Python. 39,792 programmers reported using Python, and 34,929 said they wanted to use it
• Explore Python snippets on Rosetta Code
• Python is listed on HOPL
• Python ranks #1 in the TIOBE Index
• There is an Ubuntu package for Python
• Here is an ANTLR grammar for Python
• Here is a Python LSP implementation
• There is a CodeMirror package for syntax highlighting Python
• There is a Monaco package for syntax highlighting Python
• Pygments supports syntax highlighting for Python
• GitHub supports syntax highlighting for Python
• Python appears in the Quine Relay project
• There is a central package repository for Python
• Annual Reports for Python(Link)
• Release Notes for Python(Link)
• Events page for Python(Link)
• Frequently ask questions(FAQ) page and Forums for Python(Link)
• Indeed.com has 28,965 matches for "python engineer".
• python.org was registered in 1995
• See also: (60 related languages)Jython, MicroPython, Stackless Python, Cython, ABC, ALGOL 68, C, Dylan, Haskell, Icon, Java, Lisp, Modula-3, Perl, Boo, Cobra, CoffeeScript, D, F#, Falcon, Genie, Go, Groovy, JavaScript, Julia, Nim, Ruby, Swift, SETL, Unix, Unicode, Standard ML, Pascal, Regular Expressions, C#, Common Lisp, Scheme, Objective-C, NumPy, MIME, HTTP, Sage, LLVM IR, JVM, Java Bytecode, CIL, Pyrex, Mercurial, Python for S60, Qt, Django, SciPy, Matplotlib, GDB, FreeBSD, ECMAScript, OCaml, Tcl, Erlang, Pandas
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Keywords in Python

and as assert break class continue def del elif else except False finally for from global if import in is lambda None nonlocal not or pass raise return True try while with yield

Language features

# 0[bB](?:_?[01])+

# (\d(?:_?\d)*\.(?:\d(?:_?\d)*)?|(?:\d(?:_?\d)*)?\.\d(?:_?\d)*)([eE][+-]?\d(?:_?\d)*)?

# 0[xX](?:_?[a-fA-F0-9])+

# 0[oO](?:_?[0-7])+

# A comment

with resource_context_manager() as resource:
   # Perform actions with the resource.
# Perform other actions where the resource is guaranteed to be deallocated.

"hello world"

class SumComputer(object):
   def __init__(self, a, b):
       self.a = a
       self.b = b
   def transform(self, x):
       raise NotImplementedError
   def inputs(self):
       return range(self.a, self.b)
   def compute(self):
       return sum(self.transform(value) for value in self.inputs())
 class SquareSumComputer(SumComputer):
     def transform(self, x):
         return x * x
 class CubeSumComputer(SumComputer):
     def transform(self, x):
         return x * x * x

class Person (object):
  def __init__(self, name):
    self.name = name

# Python Program illustrate how  
# to overload an binary + operator 
  
class A: 
    def __init__(self, a): 
        self.a = a 
  
    # adding two objects  
    def __add__(self, o): 
        return self.a + o.a  
ob1 = A(1) 
ob2 = A(2) 
ob3 = A("Geeks") 
ob4 = A("For") 
  
print(ob1 + ob2) 
print(ob3 + ob4)

class Base1:
    pass
class Base2:
    pass
class MultiDerived(Base1, Base2):
    pass
# Or multilevel inheritance:
class Base:
    pass
class Derived1(Base):
    pass
class Derived2(Derived1):
    pass

myList = [1, 2, 3, 4, 5]

pldb = 80766866

template = """This is the first line.
This is the second line.
This is the third line."""

# https://easyaspython.com/mixins-for-fun-and-profit-cb9962760556
class EssentialFunctioner(LoggerMixin, object):

https://www.w3schools.com/python/python_iterators.asp

seven = 3 + 4

import datetime
oTime = datetime.datetime.now()
from my_pkg import my_funcs

name = "John"

from __future__ import feature
# coding=

https://wiki.python.org/moin/Generators

''' A comment.
'''

# This is a comment

if True:
 print("Hello world")

class Person (object):
  def __init__(self, name):
    self.name = name

class Person (object):
  def __init__(self, name):
   self.name = name

person = Person("John")
person.age = 50

# https://eli.thegreenplace.net/2010/09/18/python-internals-symbol-tables-part-1

#!/usr/bin/env python

x << y

with open('helloworld.txt', 'w') as filehandle:
 filehandle.write('Hello, world!\n')

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