Chapters 5 & 6
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The len() function does not work with ________. | lists
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| You can assign an existing ________ a new value | list element
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| It's possible to generate an error by invoking a list object's ______ method. | remove()
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| (1, 2), (3, 4) is an example of a _________ | nested sequence.
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| A dictionary key must be _______ | immutable
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| A _______ cannot contain multiple items with the same key. | dictionary
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| Unlike a tuple, a list is ____________________, meaning its elements can be changed. | mutable
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| ____________________ is a list method that adds a value to end of a list. | append
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| ____________________ is a list method that deletes the first occurrence of a value from the list | remove
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| The ____________________ operator lets you test for the existence of a key in a dictionary. | in
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| ____________________ is a dictionary method that takes a key and retrieves its corresponding value from a dictionary. | get
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| In a dictionary, an object used to look up another object | key
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| A sequence inside another sequence. | nested sequence
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| In a dictionary, an object that is returned when its corresponding key is looked up. | value
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| A mutable collection of key-value pairs. | dictionary
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| Automatically accessing each element of a sequence. | sequence unpacking
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| A reference to an object, which has at least one other reference to it. | shared reference
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| Quality that allows a list to be modified. | mutability
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| A mutable sequence of any type. | list
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| In a dictionary, a key-value pair. | item
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| Quality that restricts a tuple from being modified. | immutability
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| ______ can do everything tuples can, plus more, because they can be modified | lists
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| _______ are immutable, which makes them perfect for creating constants. | tuples
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| It is a good idea to keep _________ to a minimum. experienced programmers rarely use sequences more than a level or two deep | nesting
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| __________ are mutable. | lists
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| When several variables refer to the same _______ value, they share the same reference. | mutable
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| You can check for the existence of a key with the ______ operator | in
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| You can check for the existence of a key by using the dictionary __________ method. | get
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| A function ____________________ is code that defines what a new function does. | definition
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| A(n) ____________________ is a string that documents a function. | docstring
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| A function ____________________ is the first line of code that defines a function. | header
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| Software ____________________ is leveraging existing software in a new project. | reuse
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| A(n) ____________________ parameter value is a value that a parameter gets if no value is passed to it. | default
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| A value returned by a function. | return value
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| To hide a global variable inside a scope by creating a local variable of the same name. | shadow
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| A mechanism that lets you think about the big picture without worrying about the details. | abstraction
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| A name inside the parentheses of a function header that can receive a value. | parameter
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| A variable that can be accessed in any part of a program. | global variable
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| An argument passed to a specific parameter using the parameter name. | keyword argument
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| An area of a program that's separate from other areas. | scope
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| A value passed to a function parameter. | argument
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| A variable that can be accessed only in the scope in which it was created. | local variable
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| A technique of keeping independent code separate by hiding the details. | encapsulation
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| _______________ increases company productivity, improves software quality. Provides consistency across software products and improves software performance. | software reuse
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| __________ can make programs less confusing. | global constants
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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