Python Questions and Answers Already Passed

Python Questions and Answers Already Passed What is the output of the following Python code: ``` x = 10 x += 5 print(x) ``` 15 What is the output of the following code: ``` x = [1, 2, 3] d(4) print(x) ``` [1, 2, 3, 4] 2 What is the difference between `del` and `remove()` in Python? `del` removes an item by index, while `remove()` removes an item by value What is a dictionary in Python? A collection of key-value pairs How do you access a value in a dictionary? By using the key inside square brackets `dict[key]` What is the purpose of the `break` statement in Python? Exits the current loop immediately How do you handle exceptions in Python? By using `try` and `except` blocks What does the `range()` function do in Python? Generates a sequence of numbers 3 What is the result of `len("hello")` in Python? 5 What is a tuple in Python? An immutable sequence of elements How do you create a dictionary in Python? By using curly braces `{key: value}` What is the purpose of the `global` keyword in Python? To indicate that a variable is global and can be accessed outside the current function What does the `join()` method do in Python? Concatenates the elements of an iterable into a string How do you define a class in Python? By using the `class` keyword followed by the class name 4 What is the result of `3 / 2` in Python 3? 1.5 How do you convert a string to a number in Python? By using the `int()` or `float()` function What is the difference between a list and a set in Python? A list is ordered and allows duplicates, while a set is unordered and contains only unique elements What is the purpose of the `continue` statement in Python? Skips the current iteration of a loop and moves to the next one What is the output of the following Python code: ``` x = "apple" print(x[1:4]) ``` 5 "ppl" How do you sort a list in Python? By using the `sort()` method How do you concatenate two strings in Python? By using the `+` operator What is the difference between `is` and `==` in Python? `is` checks if two variables refer to the same object in memory, while `==` checks if the values are equal What is a class in Python? A blueprint for creating objects, providing initial values for state (member variables) and implementations of behavior (member