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  2. NumPy - Wikipedia

    en.wikipedia.org/wiki/NumPy

    NumPy (pronounced / ˈ n ʌ m p aɪ / NUM-py) is a library for the Python programming language, adding support for large, multi-dimensional arrays and matrices, along with a large collection of high-level mathematical functions to operate on these arrays. [3]

  3. Python syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/Python_syntax_and_semantics

    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})

  4. Associative array - Wikipedia

    en.wikipedia.org/wiki/Associative_array

    The most frequently used general-purpose implementation of an associative array is with a hash table: an array combined with a hash function that separates each key into a separate "bucket" of the array. The basic idea behind a hash table is that accessing an element of an array via its index is a simple, constant-time operation.

  5. Python (programming language) - Wikipedia

    en.wikipedia.org/wiki/Python_(programming_language)

    Associative array (or dictionary) of key and value pairs; can contain mixed types (keys and values), keys must be a hashable type {'key1': 1.0, 3: False} {} types.EllipsisType: immutable An ellipsis placeholder to be used as an index in NumPy arrays ... Ellipsis: float: immutable Double-precision floating-point number.

  6. Comparison of programming languages (associative array)

    en.wikipedia.org/wiki/Comparison_of_programming...

    So, PHP can have non-consecutively numerically indexed arrays. The keys have to be of integer (floating point numbers are truncated to integer) or string type, while values can be of arbitrary types, including other arrays and objects. The arrays are heterogeneous: a single array can have keys of different types.

  7. College Football Playoff schedule: Bowl game times, dates and ...

    www.aol.com/college-football-playoff-schedule...

    The fifth rankings for the College Football Playoff are hours from being released. Here are the bowls that make up the newly formatted CFP.

  8. Don't make these holiday card mistakes this year: What to ...

    www.aol.com/dont-holiday-card-mistakes-know...

    Any key information like names and addresses should be "neatly" printed in capital letters with a pen or permanent marker. The exchange of seasonal greeting cards is not inherently reciprocal.

  9. No further action in Alison Hammond blackmail case - AOL

    www.aol.com/no-further-action-alison-hammond...

    Prosecutors say they will take no further action against a man who was arrested on suspicion of blackmailing TV presenter Alison Hammond. A 36-year-old from Warwickshire was arrested and later ...