3.9.1 Programming with Python Quiz Latest Version Graded A+

3.9.1 Programming with Python Quiz Latest Version Graded A+ What is the difference between `==` and `is` in Python? `==` checks if the values of two objects are equal, while `is` checks if two objects are the same in memory. What does the `type()` function do in Python? The `type()` function returns the type of an object. How can you generate a random number in Python? Use the `nt(a, b)` function to generate a random integer between `a` and `b` inclusive. What is the purpose of the `break` statement? The `break` statement exits the nearest enclosing loop immediately. How can you get the length of a string in Python? Use the `len()` function, like `len('hello')`. 2 What is the purpose of the `continue` statement? The `continue` statement skips the current iteration of a loop and moves to the next iteration. How do you create a dictionary in Python? Use curly braces to define a dictionary, like `my_dict = {'key1': 'value1', 'key2': 'value2'}`. What is a slice in Python? A slice is used to access a range of elements from a sequence, such as a list or string, using the colon (`:`) operator. How do you reverse a string in Python? Use slicing with `[::-1]`, like `'hello'[::-1]` to get `'olleh'`. What is the difference between `del` and `remove()` in Python? `del` removes an item by index or deletes an entire variable, while `remove()` removes an item by value. 3 What is the purpose of the `pass` statement in Python? The `pass` statement is a placeholder that does nothing, used where code is syntactically required but no action is desired. How do you import a specific function from a module in Python? Use the `from module_name import function_name` syntax, like `from math import sqrt`. What is the purpose of the `global` keyword in Python? The `global` keyword is used to declare a variable as global, meaning it can be accessed outside the function. How do you handle exceptions in Python? Use the `try` block to run code and the `except` block to handle exceptions. What is the `__init__` method in a Python class? The `__init__` method is a special method used to initialize object attributes when an object is created. 4 What is a set in Python? A set is an unordered collection of unique elements. What does the `in` keyword do in Python? The `in` keyword checks if an element is present in a sequence like a list, string, or tuple. How do you define a function in Python? Use the `def` keyword followed by the function name and parentheses, like `def my_function():`. What is the purpose of the `return` statement in Python? The `return` statement is used to send a result back from a function to the caller. How can you check if a key exists in a dictionary? Use the `in` keyword, like `'key' in my_dict`.