Python Programming Questions and Answers Graded A+

Python Programming Questions and Answers Graded A+ How do you concatenate two strings in Python? Use the `+` operator, like `'Hello' + ' World'`. What is the result of `3 ** 2` in Python? The result is `9`, as `**` is the exponentiation operator. How do you create a variable that holds a floating-point number in Python? Assign a decimal value to a variable, like `x = 3.14`. What does the `input()` function do in Python? The `input()` function allows the user to enter data from the console. What is the output of `print(10 % 3)`? The output is `1`, as `%` gives the remainder of division. 2 How do you convert a string to an integer in Python? Use the `int()` function, like `int('123')`. What is the difference between `is` and `==` in Python? `is` checks if two variables point to the same object in memory, while `==` checks if their values are equal. What is a dictionary in Python? A dictionary is an unordered collection of key-value pairs. How do you access a value in a dictionary by its key? Use square brackets with the key, like `my_dict['key']`. What does the `break` statement do in a loop? The `break` statement exits the loop prematurely. What is a tuple in Python? A tuple is an immutable, ordered collection of elements. 3 How do you create an empty list in Python? Use empty square brackets, like `my_list = []`. What does the `continue` statement do in a loop? The `continue` statement skips the current iteration and moves to the next one. What is the output of `print(2 + 3 * 4)`? The output is `14`, as multiplication has higher precedence than addition. What is a set in Python? A set is an unordered collection of unique elements. How do you create a function that takes multiple arguments in Python? Define the function with multiple parameters, like `def my_function(arg1, arg2):`. What is the purpose of the `else` block in a loop? The `else` block executes if the loop completes normally (without a `break`). 4 How do you check the type of an object in Python? Use the `type()` function, like `type(my_variable)`.