Mastering Loops and statements in Python: A Beginner's Guide
Mastering Loops and statements in Python: A Beginner's Guide
- Loops are an essential part of programming, allowing you to execute a block of code repeatedly.
- Python, there are mainly two types of loops: for and while loops. Let's explore them in detail with simple examples.
- In Python, you can iterate over various types of sequences besides lists, such as tuples, strings, dictionaries (iterating over keys, values, or items), and even range objects.
- For loops iterate over a sequence (such as lists, tuples, or strings) and execute a block of code for each item in the sequence.
- While loops execute a block of code repeatedly as long as a specified condition is true.
1.If-Else Statements:
- In Python, if statements evaluate a condition and execute a block of code if it's true. else statements provide an alternative block of code to execute if the condition is false.
2. If-Elif-Else Statements:
- Alongside if and else, Python also offers elif statements for evaluating multiple conditions sequentially, providing more nuanced decision-making capabilities.
Example:
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