Follow the link for more information. Python is an interpreted high-level programming language for general-purpose programming. Python features a dynamic type system and automatic definition of a programming language management.
Python interpreters are available for many operating systems. 0 was released on 16 October 2000 with many major new features, including a cycle-detecting garbage collector and support for Unicode. 0 was released on 3 December 2008. It was a major revision of the language that is not completely backward-compatible.
Many of its major features were backported to Python 2. 7’s end-of-life date was initially set at 2015 then postponed to 2020 out of concern that a large body of existing code could not easily be forward-ported to Python 3. In January 2017, Google announced work on a Python 2. Python is a multi-paradigm programming language. Python uses dynamic typing, and a combination of reference counting and a cycle-detecting garbage collector for memory management.
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Python’s design offers some support for functional programming in the Lisp tradition. Rather than having all of its functionality built into its core, Python was designed to be highly extensible. This compact modularity has made it particularly popular as a means of adding programmable interfaces to existing applications. As Alex Martelli put it: “To describe something as ‘clever’ is not considered a compliment in the Python culture. Python’s developers strive to avoid premature optimization, and reject patches to non-critical parts of CPython that would offer marginal increases in speed at the cost of clarity. An important goal of Python’s developers is keeping it fun to use. A common neologism in the Python community is pythonic, which can have a wide range of meanings related to program style.
To say that code is pythonic is to say that it uses Python idioms well, that it is natural or shows fluency in the language, that it conforms with Python’s minimalist philosophy and emphasis on readability. Users and admirers of Python, especially those considered knowledgeable or experienced, are often referred to as Pythonists, Pythonistas, and Pythoneers. Python is meant to be an easily readable language. Its formatting is visually uncluttered, and it often uses English keywords where other languages use punctuation. Unlike many other languages, it does not use curly brackets to delimit blocks, and semicolons after statements are optional.
Python uses whitespace indentation, rather than curly brackets or keywords, to delimit blocks. The for statement, which iterates over an iterable object, capturing each element to a local variable for use by the attached block. The while statement, which executes a block of code as long as its condition is true. The raise statement, used to raise a specified exception or re-raise a caught exception. The class statement, which executes a block of code and attaches its local namespace to a class, for use in object-oriented programming. The def statement, which defines a function or method. The with statement, from Python 2.
The pass statement, which serves as a NOP. It is syntactically needed to create an empty code block. The assert statement, used during debugging to check for conditions that ought to apply. The yield statement, which returns a value from a generator function. 5, yield is also an operator.
This form is used to implement coroutines. The import statement, which is used to import modules whose functions or variables can be used in the current program. Python does not support tail call optimization or first-class continuations, and, according to Guido van Rossum, it never will. Addition, subtraction, and multiplication are the same, but the behavior of division differs. There are two types of divisions in Python.
They are floor division and integer division. Java, which compares numerics by value and objects by reference. Python has a type of expression termed a list comprehension. 4 extended list comprehensions into a more general expression termed a generator expression. Python makes a distinction between lists and tuples. This functions analogous to printf format strings in C, e. Python has various kinds of string literals: Strings delimited by single or double quote marks.