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Estruturas de Dados em Python
course content

Conteúdo do Curso

Estruturas de Dados em Python

Estruturas de Dados em Python

1. Lista
Criando uma ListaIndexação de ListaLista aninhadaComprimento da ListaListas são MutáveisMétodo append()Método insert()Excluindo ElementosRemovendo ElementosCompreensão de Listas
2. Dicionário
Criando um DicionárioExtração de InformaçãoAccessing Dictionary KeysAdicionando ItensDesafioPalavra-chave delMétodo pop()Método popitem()Método clear()Compreensão de DicionáriosDictionary Comprehension with Condition
3. Tupla
Criando uma TuplaAcessando Elementos de uma TuplaConcatenação de TuplasExcluir uma TuplaAtualizar uma TuplaAdicionando ItensDesafioFinding Elements in a Tuple
4. Conjunto
Criando um ConjuntoMétodo add()Método update()Acessando os Elementos de um ConjuntoMétodos remove() e discard()Método clear()

bookDictionary Comprehension with Condition

You can include a condition in a dictionary comprehension to filter items. For example, let's create a dictionary of books published before 1950:


              
1234567891011

            
books = [
    ["Pride and Prejudice", 1813],
    ["1984", 1949],
    ["To Kill a Mockingbird", 1960],
    ["The Great Gatsby", 1925]
]

# Filter books published before 1950
books_dictionary = {title: year for title, year in books if year < 1950}

print(books_dictionary)
copy

Adding a condition allows you to filter data dynamically while creating the dictionary.

Here's the equivalent code using a for loop instead of a dictionary comprehension:


              
123456789101112131415

            
books = [
    ("Pride and Prejudice", 1813),
    ("1984", 1949),
    ("To Kill a Mockingbird", 1960),
    ("The Great Gatsby", 1925)
]

# Filter books published before 1950 using a for loop
filtered_books = {}

for title, year in books:
    if year < 1950:
        filtered_books[title] = year

print(filtered_books)
copy
Tarefa
test

Swipe to show code editor

The bookstore wants to create a dictionary of books that cost less than $12. Use dictionary comprehension with a condition to create a new dictionary called discount_books from the following list of lists:

  1. Iterate through the books list by unpacking its elements (lists) into title and price.
  2. Apply the filter if price < 12 in the comprehension to include only books with a price below $12.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 2. Capítulo 11
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bookDictionary Comprehension with Condition

You can include a condition in a dictionary comprehension to filter items. For example, let's create a dictionary of books published before 1950:


              
1234567891011

            
books = [
    ["Pride and Prejudice", 1813],
    ["1984", 1949],
    ["To Kill a Mockingbird", 1960],
    ["The Great Gatsby", 1925]
]

# Filter books published before 1950
books_dictionary = {title: year for title, year in books if year < 1950}

print(books_dictionary)
copy

Adding a condition allows you to filter data dynamically while creating the dictionary.

Here's the equivalent code using a for loop instead of a dictionary comprehension:


              
123456789101112131415

            
books = [
    ("Pride and Prejudice", 1813),
    ("1984", 1949),
    ("To Kill a Mockingbird", 1960),
    ("The Great Gatsby", 1925)
]

# Filter books published before 1950 using a for loop
filtered_books = {}

for title, year in books:
    if year < 1950:
        filtered_books[title] = year

print(filtered_books)
copy
Tarefa
test

Swipe to show code editor

The bookstore wants to create a dictionary of books that cost less than $12. Use dictionary comprehension with a condition to create a new dictionary called discount_books from the following list of lists:

  1. Iterate through the books list by unpacking its elements (lists) into title and price.
  2. Apply the filter if price < 12 in the comprehension to include only books with a price below $12.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 2. Capítulo 11
toggle bottom row

bookDictionary Comprehension with Condition

You can include a condition in a dictionary comprehension to filter items. For example, let's create a dictionary of books published before 1950:


              
1234567891011

            
books = [
    ["Pride and Prejudice", 1813],
    ["1984", 1949],
    ["To Kill a Mockingbird", 1960],
    ["The Great Gatsby", 1925]
]

# Filter books published before 1950
books_dictionary = {title: year for title, year in books if year < 1950}

print(books_dictionary)
copy

Adding a condition allows you to filter data dynamically while creating the dictionary.

Here's the equivalent code using a for loop instead of a dictionary comprehension:


              
123456789101112131415

            
books = [
    ("Pride and Prejudice", 1813),
    ("1984", 1949),
    ("To Kill a Mockingbird", 1960),
    ("The Great Gatsby", 1925)
]

# Filter books published before 1950 using a for loop
filtered_books = {}

for title, year in books:
    if year < 1950:
        filtered_books[title] = year

print(filtered_books)
copy
Tarefa
test

Swipe to show code editor

The bookstore wants to create a dictionary of books that cost less than $12. Use dictionary comprehension with a condition to create a new dictionary called discount_books from the following list of lists:

  1. Iterate through the books list by unpacking its elements (lists) into title and price.
  2. Apply the filter if price < 12 in the comprehension to include only books with a price below $12.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

You can include a condition in a dictionary comprehension to filter items. For example, let's create a dictionary of books published before 1950:


              
1234567891011

            
books = [
    ["Pride and Prejudice", 1813],
    ["1984", 1949],
    ["To Kill a Mockingbird", 1960],
    ["The Great Gatsby", 1925]
]

# Filter books published before 1950
books_dictionary = {title: year for title, year in books if year < 1950}

print(books_dictionary)
copy

Adding a condition allows you to filter data dynamically while creating the dictionary.

Here's the equivalent code using a for loop instead of a dictionary comprehension:


              
123456789101112131415

            
books = [
    ("Pride and Prejudice", 1813),
    ("1984", 1949),
    ("To Kill a Mockingbird", 1960),
    ("The Great Gatsby", 1925)
]

# Filter books published before 1950 using a for loop
filtered_books = {}

for title, year in books:
    if year < 1950:
        filtered_books[title] = year

print(filtered_books)
copy
Tarefa
test

Swipe to show code editor

The bookstore wants to create a dictionary of books that cost less than $12. Use dictionary comprehension with a condition to create a new dictionary called discount_books from the following list of lists:

  1. Iterate through the books list by unpacking its elements (lists) into title and price.
  2. Apply the filter if price < 12 in the comprehension to include only books with a price below $12.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Seção 2. Capítulo 11
Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
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