Basic Python Operations Quiz

Python Basics

• print(2 ** 3) outputs 8, as it uses the exponentiation operator (**).
• list.reverse() or list[::-1] are methods to reverse a list in Python.

Number and String Operations

• To check if a number is even, use number % 2 == 0.
• string.lower() converts a string to lowercase.
• Use string.isdigit() to check if a string contains only digits.

Working with Lists

• list.append(value) adds a single value to the end of a list, while list.extend(iterable) adds elements from an iterable.
• To remove duplicates from a list, convert it to a set using set(list) and back to a list.
• print('Python'[1:4]) outputs 'yth', as it slices the string from index 1 to 3.

Dictionaries and Lists

• Create a dictionary with keys from a list and values set to zero using {key: 0 for key in keys_list}.
• Use len(list) to find the length of a list in Python.