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Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})
Python's is operator may be used to compare object identities (comparison by reference), and comparisons may be chained—for example, a <= b <= c. Python uses and, or, and not as Boolean operators. Python has a type of expression named a list comprehension, and a more general expression named a generator expression. [78] Anonymous functions ...
For brevity, these words will have the specified meanings in the following tables (unless noted to be part of language syntax): funcN A function.
In functional programming, a monad is a structure that combines program fragments and wraps their return values in a type with additional computation. In addition to defining a wrapping monadic type, monads define two operators: one to wrap a value in the monad type, and another to compose together functions that output values of the monad type (these are known as monadic functions).
A direct operator can also be called a dop (pronounced "dee op"). They were invented by John Scholes in 1996. [ 1 ] They are a unique combination of array programming , higher-order function, and functional programming , and are a major distinguishing advance of early 21st century APL over prior versions.
The Huffington Post reached out to historians across the country to create a list of women who deserve more recognition for their accomplishments.
Free software portal; The tidyverse is a collection of open source packages for the R programming language introduced by Hadley Wickham [1] and his team that "share an underlying design philosophy, grammar, and data structures" of tidy data. [2]
A BLODI specification of functional units (amplifiers, adders, delay lines, etc.) and their interconnections was compiled into a single loop that updated the entire system for one clock tick. In a 1966 Ph.D. thesis, The On-line Graphical Specification of Computer Procedures , [ 10 ] Bert Sutherland created one of the first graphical dataflow ...