I Removed Every else From My Python Functions — You Should Too

Ditching the else keyword made my Python code cleaner, easier to read, and less error-prone. Here’s how — and why you should consider it…

I Removed Every else From My Python Functions — You Should Too
Photo by Joshua Aragon on Unsplash

What if your else blocks are hurting your code more than helping?

I Removed Every else From My Python Functions — You Should Too

Ditching the else keyword made my Python code cleaner, easier to read, and less error-prone. Here’s how — and why you should consider it too.

Let me be clear: else isn’t bad in Python. It’s just overused.

When I first heard someone say, “You probably don’t need that else,” I dismissed it as a style preference. But after years of writing production Python code, I realized they were right — using else inside functions often leads to bloated, less readable code.

So I ran an experiment: I rewrote an entire module to remove every single else inside functions. The result?
Cleaner logic. Fewer bugs. Easier maintenance.

Let me walk you through why this mindset shift might change how you write Python forever.


Why else Often Hurts More Than It Helps

Here’s the core idea:

When your function has a return (or exception) inside an if block, you often don’t need an else.

That’s because Python’s control flow ends at a return. Any code after a return is unreachable, which makes the else redundant — and worse, it adds unnecessary indentation and complexity.

Here’s an example:

def is_valid_email(email): 
    if not email: 
        return False 
    else: 
        return "@" in email

Looks fine, right? But that else block isn’t needed.

Better:

def is_valid_email(email): 
    if not email: 
        return False 
    return "@" in email

Cleaner. Easier to read. No unnecessary nesting.

The Problem With Deep Nesting

Each additional level of indentation adds cognitive load.

When you wrap logic inside if-else blocks, you force readers to track multiple branches. Over time, deeply nested code becomes a mental maze — especially in large functions.

By removing unnecessary else blocks, you create a flat structure that’s easier to follow.

Early Returns Beat else

Adopting the early return pattern leads to cleaner, linear code. It emphasizes handling edge cases up front and keeping the “happy path” unindented.

Before:

def process_user(data): 
    if data is None: 
        return "No data" 
    else: 
        name = data.get("name") 
        return f"Processing {name}"

After:

def process_user(data): 
    if data is None: 
        return "No data" 
    name = data.get("name") 
    return f"Processing {name}"

The second version reads like a story: handle the exception case first, then continue with the normal flow.

Real-World Case: From Messy to Minimal

I was debugging a permissions system that looked like this:

def has_access(user): 
    if not user: 
        return False 
    else: 
        if user.is_admin: 
            return True 
        else: 
            if user.is_active: 
                return True 
            else: 
                return False

By removing every else, it became:

def has_access(user): 
    if not user: 
        return False 
    if user.is_admin: 
        return True 
    if user.is_active: 
        return True 
    return False

Same logic. But now you can read it in seconds.

When else Still Makes Sense

This isn’t about banning else. It's about using it intentionally.

Use else when:

You need mutually exclusive logic without a return
You’re writing a one-liner for clarity
You’re in a loop and need both for and else

But inside functions that return early? Prefer flat, linear code.

Pro Tips to Eliminate else in Your Code

  • Handle invalid input up front with early returns.
  • Keep your “main logic” unindented.
  • Don’t fear multiple return statements — they improve readability.
  • Refactor deeply nested blocks with guard clauses.
  • Trust Python’s flow control to guide your logic — you don’t need to wrap everything in an else.

Conclusion: Write Flat, Not Nested

I used to write Python like I wrote C — wrapping every block in braces, making sure every condition had an else.
But Python isn’t C. Its elegance comes from clarity and simplicity.

Removing else from my functions helped me write flatter, more readable, and more maintainable code.
You might be surprised how much this one change can improve your style.


So next time you reach for that else, stop and ask:

Do I really need it — or am I just nesting out of habit?
Photo by Cristi Ursea on Unsplash