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No, indentation is not optional in Python. Indentation is an important part of Python syntax and is used to define blocks of code. Python uses indentation instead of braces to delimit code blocks, unlike other programming languages such as C, Java, or JavaScript.
The standard convention in Python is to use four spaces for indentation, although some programmers may use different amounts of indentation. It's important to maintain consistent indentation in your code to avoid syntax errors.
Here's an example of how indentation is used in Python:
if x > 0: print("x is positive")else: print("x is non-positive")
In this example, the if statement and the corresponding block of code are indented by four spaces. The else statement and the corresponding block of code are also indented by four spaces. This is important because it indicates which code should be executed when a certain condition is met.
If the indentation is not correct or consistent, Python will raise an IndentationError. So, to write valid Python code, you need to make sure that the indentation is correct and consistent throughout your program.
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