8.12: Glossary
- Page ID
- 41966
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- object:
- Something a variable can refer to. For now, you can use “object” and “value” interchangeably.
- sequence:
- An ordered collection of values where each value is identified by an integer index.
- item:
- One of the values in a sequence.
- index:
- An integer value used to select an item in a sequence, such as a character in a string. In Python indices start from 0.
- slice:
- A part of a string specified by a range of indices.
- empty string:
- A string with no characters and length 0, represented by two quotation marks.
- immutable:
- The property of a sequence whose items cannot be changed.
- traverse:
- To iterate through the items in a sequence, performing a similar operation on each.
- search:
- A pattern of traversal that stops when it finds what it is looking for.
- counter:
- A variable used to count something, usually initialized to zero and then incremented.
- invocation:
- A statement that calls a method.
- optional argument:
- A function or method argument that is not required.