3 Flashcards

1
Q

Task

A

Answer and Rules

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2
Q

Create a variable with your name and print it.

A

{‘name = “Your Name”\nprint(name)’, ‘Use meaningful variable names and print to display the output.’}

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3
Q

Write a function that returns the square of a number.

A

{‘def square(number):\n return number**2’, ‘Define a function with one parameter and return the squared value.’}

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4
Q

Create a list of your favorite fruits and print the third item.

A

{‘fruits = [“apple”, “banana”, “cherry”]\nprint(fruits[2])’, ‘Use list indexing to access elements.’}

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5
Q

Write a program to check if a number is even or odd.

A

{‘number = 5\nif number % 2 == 0:\n print(“Even”)\nelse:\n print(“Odd”)’, ‘Use if-else statement to check conditions.’}

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6
Q

Create a dictionary with keys as fruits and values as their colors.

A

{‘fruit_colors = {“apple”: “red”, “banana”: “yellow”, “cherry”: “red”}’, ‘Create and use dictionaries for key-value pairs.’}

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7
Q

Write a program that reads a file and prints its contents.

A

{‘with open(“file.txt”, “r”) as file:\n content = file.read()\n print(content)’, ‘Use with statement for file handling.’}

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8
Q

Create a class called ‘Animal’ with a method that prints ‘I am an animal’.

A

{‘class Animal:\n def speak(self):\n print(“I am an animal”)’, ‘Define a class and a method.’}

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9
Q

Write a function that takes a list and returns a new list with unique elements.

A

{‘def unique_elements(lst):\n return list(set(lst))’, ‘Convert list to set and back to list to remove duplicates.’}

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10
Q

Write a program to handle division by zero using try/except.

A

{‘try:\n result = 10 / 0\nexcept ZeroDivisionError:\n print(“Cannot divide by zero”)’, ‘Use try/except to handle exceptions.’}

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11
Q

Create a virtual environment and install a package in it.

A

{‘python -m venv myenv\nsource myenv/bin/activate\npip install package_name’, ‘Use virtual environments to manage dependencies.’}

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12
Q

Write a unit test for a function that adds two numbers.

A

{‘import unittest\ndef add(a, b):\n return a + b\nclass TestAddFunction(unittest.TestCase):\n def test_add(self):\n self.assertEqual(add(2, 3), 5)’, ‘Write unit tests to verify code correctness.’}

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13
Q

Format a string to include your name and age using f-strings.

A

{‘name = “John”\nage = 30\nprint(f”My name is {name} and I am {age} years old.”)’, ‘Use f-strings for string formatting.’}

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14
Q

Write a program that counts the occurrences of each word in a given text.

A

{‘text = “hello world”\nword_counts = {}\nfor word in text.split():\n word_counts[word] = word_counts.get(word, 0) + 1’, ‘Use dictionary to count word occurrences.’}

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15
Q

Use a set to remove duplicates from a list.

A

{‘numbers = [1, 2, 2, 3, 4, 4]\nunique_numbers = list(set(numbers))’, ‘Use set to remove duplicates from a list.’}

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16
Q

Write a function that takes a list and returns a list of squares of the numbers.

A

{‘def square_list(lst):\n return [x**2 for x in lst]’, ‘Use list comprehension to generate a list.’}

17
Q

Create a tuple and print its elements using a for loop.

A

{‘my_tuple = (1, 2, 3)\nfor item in my_tuple:\n print(item)’, ‘Iterate through a tuple using a for loop.’}

18
Q

Write a program that reads a CSV file and prints each row.

A

{‘import csv\nwith open(“file.csv”, “r”) as file:\n reader = csv.reader(file)\n for row in reader:\n print(row)’, ‘Use csv module to read files.’}

19
Q

Create a generator that yields even numbers up to 10.

A

{‘def even_numbers():\n for i in range(11):\n if i % 2 == 0:\n yield i’, ‘Use yield to create a generator.’}

20
Q

Write a function that returns the factorial of a number.

A

{‘def factorial(n):\n if n == 0:\n return 1\n else:\n return n * factorial(n-1)’, ‘Use recursion to calculate factorial.’}

21
Q

Create a list comprehension to generate a list of squares of numbers from 1 to 10.

A

{‘squares = [x**2 for x in range(1, 11)]’, ‘Use list comprehension for concise loops.’}

22
Q

Write a program that checks if a string is a palindrome.

A

{‘def is_palindrome(s):\n return s == s[::-1]’, ‘Check if a string reads the same forwards and backwards.’}

23
Q

Create a dictionary with default values using defaultdict.

A

{‘from collections import defaultdict\nd = defaultdict(int)’, ‘Use defaultdict for handling missing keys.’}

24
Q

Write a program that merges two dictionaries.

A

{‘dict1 = {“a”: 1, “b”: 2}\ndict2 = {“b”: 3, “c”: 4}\nmerged_dict = {**dict1, **dict2}’, ‘Merge dictionaries using unpacking operator.’}

25
Q

Sort a list of integers in descending order.

A

{‘my_list.sort(reverse=True)’, ‘Use the sort() method with the reverse parameter.’}

26
Q

Write a program to find the largest number in a list.

A

{‘largest = max(my_list)’, ‘Use max() to find the largest element.’}

27
Q

Create a named tuple to store information about a book (title, author, year).

A

{‘from collections import namedtuple\nBook = namedtuple(“Book”, [“title”, “author”, “year”])’, ‘Use collections.namedtuple to define a simple class-like structure.’}

28
Q

Write a program to find the common elements between two lists.

A

{‘common_elements = list(set(list1) & set(list2))’, ‘Use set intersection to find common elements.’}

29
Q

Use the ‘with’ statement to write ‘Hello, World!’ to a file.

A

{‘with open(“hello.txt”, “w”) as file:\n file.write(“Hello, World!”)’, ‘Use with statement for file handling.’}

30
Q

Create a class with a private attribute and a method to access it.

A

{‘class MyClass:\n def __init__(self):\n self.__private_attr = “private”\n def get_private_attr(self):\n return self.__private_attr’, ‘Define a private attribute with double underscores and provide a public method.’}

31
Q

Write a decorator that prints ‘Function called’ every time a function is called.

A

{‘def my_decorator(func):\n def wrapper(args, **kwargs):\n print(“Function called”)\n return func(args, **kwargs)\n return wrapper’, ‘Define a decorator function that wraps another function.’}