The pass statement in Python is used when a statement is required syntactically, but no action is needed. It acts as a placeholder and prevents syntax errors in situations where a statement is expected but not yet implemented.

Syntax

if condition:
    pass  # Placeholder statement

• pass does nothing when executed.
• It is often used in places where code will be added later or when a block is intentionally left empty.

Examples

Example 1: Using "pass" in an "if" Statement

Explanation

1. The if condition checks if age is 18 or more.
2. Since the block is empty, pass prevents a syntax error.
3. Nothing happens when age >= 18, but if age were less than 18, "You are not eligible to vote." would be printed.

Example 2: Using "pass" in a Loop

Explanation

1. The loop iterates five times.
2. Since pass is used, nothing happens in each iteration.
3. This is useful when a loop structure is needed but logic is not yet implemented.

Example 3: Using "pass" in a Function

Explanation

1. The function placeholder_function() is defined but has no logic.
2. pass allows the function to exist without causing an error.
3. This is useful when designing code but postponing implementation.

The pass statement is a placeholder that allows empty blocks of code without causing errors. It is useful for defining empty functions, loops, and conditional statements during development.