python tag

Python is a high-level, interpreted, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation.

Python is dynamically-typed and garbage-collected. It supports multiple programming paradigms, including structured (particularly procedural), object-oriented and functional programming. It is often described as a "batteries included" language due to its comprehensive standard library.

Guido van Rossum began working on Python in the late 1980s as a successor to the ABC programming language and first released it in 1991 as Python 0.9.0. Python 2.0 was released in 2000 and introduced new features such as list comprehensions, cycle-detecting garbage collection, reference counting, and Unicode support. Python 3.0, released in 2008, was a major revision that is not completely backward-compatible with earlier versions. Python 2 was discontinued with version 2.7.18 in 2020.

Python consistently ranks as one of the most popular programming languages. It is used by many organizations and companies. Pixar, Disney, Instagram and the developers of the Linux Kernel are among many of it's high-profile users, which includes many developers of Free and Open source software.

Reference: WIKIPEDIA

4650 questions


1 answers
96 views
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NameError: name 'raw_input' is not defined

It worked well at school, but it doesn't work when I get home.It says raw_input is undefined, what's wrong?import sysprint (sys.platform)print (2 ** 100)raw_input()Traceback (most recent call last): F...

2 years ago

1 answers
83 views
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TypeError: 'module' object is not callable

File C:\Users\Administrator\Documents\Mibot\oops\blinkserv.py, line 82, in __init__ self.serv = socket(AF_INET,SOCK_STREAM)TypeError: 'module' object is not callableI don't know why this error is occu...

2 years ago

1 answers
17 views
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Why does Python (0<0==0) return False?

When I was looking at Queue.py on Python 2.6, I saw this code.def full(self): Return True if the queue is full, False otherwise (not reliable!). self.mutex.acquire() n = 0 < self.maxsize == self._q...


1 answers
115 views
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To permanently add a directory to PYTHONPATH

You can also add directories with sys.path.append, but I understand that this will be restored to its original state when the program ends.I just want to make a code that I don't want to add again if ...


1 answers
83 views
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An error occurs when passing a string to subprocess.Poven using the stdin factor.

import subprocessfrom cStringIO import StringIOsubprocess.Popen(['grep','f'],stdout=subprocess.PIPE,stdin=StringIO('one\ntwo\nthree\nfour\nfive\nsix\n')).communicate()[0]Traceback (most recent call la...

2 years ago

1 answers
99 views
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Please help me) I'm inquiring about how to call JSON on OrderedDict

Since json.dump can write OrderDict, I know that OrderDict can be used as JSON's input. What should I do if I want to write output?


1 answers
118 views
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I'd like to know how to find the common items on the two lists

I want to know how to find only common items on the two lists. It would be nice if the -like_item_finding() returns [5]a = [1, 2, 3, 4, 5]b = [9, 8, 7, 6, 5]Find the same_item_ (a, b)

2 years ago

1 answers
119 views
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I'd like to add a space on the right according to the length when printing.

To fill in the first 0: >>> print '%06d'%4'000004'This is what I know'hi 'How do I add spaces back together? str+*number I know we can write together.


1 answers
70 views
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Write (a + b == cor a + c == b + c == a) the shortest

a + b == cor a + c == bob + c == a You want to express it in the shortest code.That's the limit I can think of But I'm a little worried if I made it right, so I wonder if there's a better waya + b + c...

2 years ago

1 answers
136 views
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How do you create an empty set object?

Like this, list/tuple/dict has a literal meaning empty <list/tuple/dict>I wonder if there's such a thing as a set.

2 years ago
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