Data that is not lost when the computer is turned off.

Deciding to open a file as “Read”, “Write”, or “append”.

An object’s function that performs a special task.

Unexpected runtime error (happens when the program is running), which crashes the program.

Try/Except statement, so that the program does not crash if an exception comes up.

The program executes this block if possible, but if an error comes up, it goes to the except clause(s)

Code that runs if an exception comes up.

The code in the except statement.

An object that contains many items of data – a string does.

An object containing characters.

A character’s position in a string. Also a data type’s position in a tuple or list.

A part of something, in our cases, strings or lists.

A “String within a string”, think “subsets”.

Sequence structure holding a variety of data types.

Method-less lists, not supported in python.

Individual elements can be changed.

Refers to the old list, so if you change the one inside the function, it changes the old one too

Like a list, but immutable. It is defined with round brackets, but some methods cannot be used on it.

A key that references to a value.

Accessing a value by using a key. Another word for mapping.

Another word for hashing. Accessing a value by using a key.

A data type that holds key-value pairs.

A function that calls itself infinite times, crashing when it runs out of memory.

The times a function calls itself recursively.

The case when recursion is not required.

The case when the function is in recursion happens.

Memory required to store all the variables within the function.

A search that goes through each item in the list until it is found.

Putting a list in proper order.

Sorting algorithm which compares two terms side by side.

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ICS3U - Unit 3

Glossary of Unit 3 (Advanced Topics)

Question	Answer
Persistent Data	Data that is not lost when the computer is turned off.
File Mode	Deciding to open a file as “Read”, “Write”, or “append”.
Method	An object’s function that performs a special task.
Exception	Unexpected runtime error (happens when the program is running), which crashes the program.
Exception Handler	Try/Except statement, so that the program does not crash if an exception comes up.
Try Block	The program executes this block if possible, but if an error comes up, it goes to the except clause(s)
Except Clause	Code that runs if an exception comes up.
Handler	The code in the except statement.
Sequence	An object that contains many items of data – a string does.
String	An object containing characters.
Index	A character’s position in a string. Also a data type’s position in a tuple or list.
Slice	A part of something, in our cases, strings or lists.
Substring	A “String within a string”, think “subsets”.
List	Sequence structure holding a variety of data types.
Element	Item in a list.
Array	Method-less lists, not supported in python.
Mutable	Individual elements can be changed.
Pass-by-reference	Refers to the old list, so if you change the one inside the function, it changes the old one too
Tuple	Like a list, but immutable. It is defined with round brackets, but some methods cannot be used on it.
Key-Value Pair	A key that references to a value.
Hashing	Accessing a value by using a key. Another word for mapping.
Mapping	Another word for hashing. Accessing a value by using a key.
Dictionary	A data type that holds key-value pairs.
Sublist	List within a list.
Recursive Function	A function which calls itself.
Infinite recursion	A function that calls itself infinite times, crashing when it runs out of memory.
Depth of Recursion	The times a function calls itself recursively.
Base Case	The case when recursion is not required.
Recursive Case	The case when the function is in recursion happens.
Overhead	Memory required to store all the variables within the function.
Linear Search	A search that goes through each item in the list until it is found.
Sort	Putting a list in proper order.
Bubble Sort	Sorting algorithm which compares two terms side by side.

Created by: 1557376579

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