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memorize.ai (lvl 286)

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Section 1

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A list

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Python

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Date created

Mar 1, 2020

Cards (29)

Section 1

(29 cards)

A list

Front

a sequence of values accessed by their offset from the beginning of the sequence.

Back

A tuple

Front

Immutable sequence of arbitrary items.

Back

local

Front

The variables defined within a function are only available to the function in its ________ namespace.

Back

Extends the list by appending all the items from the iterable.

Front

What does this list method do? list.extend(iterable)

Back

Removes the item at the given position in the list, and returns it. If no index is specified, it will remove and return the last item in the list.

Front

What does this list method do? list.pop([i])

Back

list, set, and dict

Front

Which types of built-in objects are mutable?

Back

Reverses the elements of the list in place.

Front

What does this list method do? list.reverse()

Back

Returns a shallow copy of the list. equivalent to a[:].

Front

What does this list method do? list.copy()

Back

1. Sets cannot have multiple occurrences 2. Sets have unordered values. 3. Sets can only contain immutable (hashable) items.

Front

What are the differences between sets and lists?

Back

Removes the first item from the list whose value is equal to x.

Front

What does this list method do? list.remove(x)

Back

A dictionary

Front

An unordered, changeable, and indexed collection of unique keys and associated values. We use these to store and look up things by name.

Back

Sorts the items of the list in place.

Front

What does this list method do? list.sort(key=None, reverse =False)

Back

[]

Front

How do we create a list?

Back

{}

Front

What do we use to create a dictionary?

Back

Generator

Front

A python sequence creation object. You can use it to iterate through potentially huge sequences without creating and storing the entire sequence in memory at once.

Back

It is an anonymous function expressed as a single statement. It takes one argument that is separated by its definition by a colon. Ex. edit_story(stairs, lambda word: word.capitalize() + '!')

Front

What is a lambda function?

Back

Mutable means you CAN add, delete, or change items after the object has been defined. Immutable means you CAN'T make changes to the object after it has been defined.

Front

What is the difference between mutable and immutable?

Back

Adds an item to the end of the list.

Front

What does this list method do? list.append(x)

Back

Decorator

Front

A function that takes one function as input and returns another function.

Back

Removes all items from the list.

Front

What does this list method do? list.clear()

Back

JSON (JavaScript Object Notation)

Front

A human-readable text format for data interchange that defines attributes and values in a document.

Back

Inserts an item at a given position. The first argument is the index of the element before which to insert.

Front

What does this list method do? list.insert(i,x)

Back

global variables

Front

The main part of a program defines the global namespace; thus, the variables in that namespace are...

Back

returns a dictionary of the contents of the global namespace.

Front

What does the globals() function do?

Back

int, float, bool, string, tuple, unicode

Front

Which types of built-in objects are immutable?

Back

Returns the number of times x appears in the list.

Front

What does this list method do? list.count(x)

Back

Returns a dictionary of the contents of the local namespace.

Front

What does the locals() function do?

Back

An object

Front

Everything in python is implemented as...

Back

Lists are mutable; Tuples are immutable

Front

What is the main difference between lists and tuples?

Back