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14.11: Glossary

  • Page ID
    42417
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    persistent:
    Pertaining to a program that runs indefinitely and keeps at least some of its data in permanent storage.
    format operator:
    An operator, %, that takes a format string and a tuple and generates a string that includes the elements of the tuple formatted as specified by the format string.
    format string:
    A string, used with the format operator, that contains format sequences.
    format sequence:
    A sequence of characters in a format string, like %d, that specifies how a value should be formatted.
    text file:
    A sequence of characters stored in permanent storage like a hard drive.
    directory:
    A named collection of files, also called a folder.
    path:
    A string that identifies a file.
    relative path:
    A path that starts from the current directory.
    absolute path:
    A path that starts from the topmost directory in the file system.
    catch:
    To prevent an exception from terminating a program using the try and except statements.
    database:
    A file whose contents are organized like a dictionary with keys that correspond to values.
    bytes object:
    An object similar to a string.
    shell:
    A program that allows users to type commands and then executes them by starting other programs.
    pipe object:
    An object that represents a running program, allowing a Python program to run commands and read the results.

    14.11: Glossary is shared under a CC BY-NC 3.0 license and was authored, remixed, and/or curated by Allen B. Downey.

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