Summary Introduction to if else in python

This comprehensive note serves as a beginner's guide to understanding if-else statements in Python. It covers essential topics such as Python conditions, syntax and control flow of if statements, shorthand if statements, and nested if-else statements. Readers will learn how if-else statements are used for decision-making in Python, where certain code blocks are executed based on the evaluation of conditions. The note provides clear explanations and examples to help readers grasp the concepts effectively. The note starts by explaining the logical conditions supported in Python, including comparisons like equals to, not equal to, less than, and more than. It then dives into the fundamental structure of if-else statements, showcasing how code execution branches based on whether the condition is true or false. The syntax of if statements, along with the optional elif statement for additional conditions, is thoroughly covered. The note emphasizes the importance of understanding control flow and demonstrates how code execution flows through different branches based on condition results. To simplify coding, the note introduces shorthand if statements, enabling readers to perform actions based on a single condition with concise syntax. It also explains nested if-else statements, which allow for more complex decision-making by evaluating multiple conditions and executing corresponding code blocks. Moreover, the note provides practical examples throughout the discussion. These examples include checking if a number is even or odd, determining if a number is prime, and showcasing nested if-else statements. By illustrating real-world use cases, readers can better understand how if-else statements are applied in different scenarios. Additionally, the note briefly touches upon the concept of short-circuiting in Python, explaining its behavior for logical operators "and" and "or" with relevant examples. Overall, this note equips readers with a solid understanding of if-else statements in Python. It serves as an excellent resource for beginners looking to grasp the fundamentals of decision-making in programming and provides practical insights for writing efficient and logical code.