Arrays are sequences similar to lists, except that the type (and size) of each element in the array is constrained. For example, see bytearray below.
B
BDFL
Stands for Benevolent Dictator For Life. Guido van Rossum is the BDFL of Python.
bytearray
An array in which each element is an int x that satisfies 0 <= x <= 0xFF. bytearrays have special significance because they can be written to disk in binary mode.
C
C
A popular programming language developed by Dennis Ritchie at Bell Labs in 1972.
CPython
The original Python implementation written in C.
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G
Guido van Rossum
A Dutch computer programmer who's best known for creating the Python programming language.
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IDLE
Stands for Integrated Development Environment. It comes bundled with a CPython installation by default.
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Jython
A python implementation written in Java. Python code can be compiled to Java bytecode and it can easily interact with Java code and libraries.
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Keyword Argument
An argument that doesn't follow a special, predefined order and is defined with a keyword.
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P
Positional Argument
An argument that follows a special, predefined order that isn't defined with a keyword.
Pythonic
Something that follows the idioms of Python.
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R
S
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U
Unpythonic
Something that doesn't follow or goes against the idioms of Python.