A circumstance where two or more variables refer to the same object.
A variable used to count something, usually initialized to zero and then incremented.
A character or string used to indicate where a string should be split.
One of the values in a list (or other sequence); also called items.
- empty string
A string with no characters and length 0, represented by two quotation marks.
Having the same value(s).
Being the same object (which implies equivalence).
The property of a sequence whose items cannot be assigned.
An integer value used to select an item in a sequence, such as a character in a string or an element in a list.
One of the values in a sequence.
A sequence of values.
- list traversal
The sequential accessing of each element in a list.
A function that is associated with an object and called using dot notation.
- nested list
A list that is an element of another list.
A special character used in files and strings to indicate the end of a line.
Something a variable can refer to. An object has a type and a value. Objects contain data and code (methods).
The association between a variable and its value.
A pattern of traversal that stops when it finds what it is looking for.
An ordered set; that is, a set of values where each value is identified by an integer index.
A part of a string specified by a range of indices.
- text file
A sequence of characters stored in permanent storage like a hard drive.
To iterate through the items in a sequence, performing a similar operation on each.