Code HS Questions and Answers Already Graded A

Code HS Questions and Answers Already Graded A What is a set in Python? A set is an unordered collection of unique elements, defined by using curly braces, e.g., `my_set = {1, 2, 3}`. How do you reverse a string in Python? You can reverse a string in Python using slicing, e.g., `my_str[::-1]`. What is the `zip()` function used for in Python? The `zip()` function is used to combine multiple iterables into a single iterator of tuples. How do you create a class in Python? A class in Python is created using the `class` keyword, followed by the class name, e.g., `class MyClass:`. What is the purpose of the `yield` keyword in Python? 2 The `yield` keyword is used to return a generator, allowing a function to return a value and resume its state when called again. How do you find the length of a string in Python? You can find the length of a string using the `len()` function, e.g., `len(my_str)`. What is list comprehension in Python? List comprehension is a concise way to create lists, using a single line of code with an expression and a `for` loop. How do you sort a list in Python? You can sort a list using the `sort()` method (for in-place sorting) or the `sorted()` function (for creating a new sorted list). How do you remove all items from a list in Python? You can remove all items from a list using the `clear()` method, e.g., `my_()`. How do you create a dictionary in Python? 3 A dictionary in Python is created using curly braces `{}`, with key-value pairs separated by colons, e.g., `my_dict = {'key': 'value'}`. What is a tuple in Python? A tuple is an immutable sequence of values, defined by enclosing elements in parentheses, e.g., `my_tuple = (1, 2, 3)`. What is the purpose of the `split()` method in Python? The `split()` method is used to break a string into a list of substrings based on a delimiter. How do you check if a value exists in a list in Python? You can check if a value exists in a list using the `in` keyword, e.g., `if value in my_list:`. What does the `append()` method do in a list? The `append()` method adds an element to the end of the list. How do you remove an item from a