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python none parameter

Adorable Aardvark answered on September 6, 2024 Popularity 1/10 Helpfulness 1/10

answer python none parameter

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python none parameter

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In Python, None is often used as a default parameter value in function definitions. It signals that a default value is missing or that no action should be taken unless another value is provided. Here’s an example:
def greet(name=None):
    if name is None:
        return "Hello, stranger!"
    else:
        return f"Hello, {name}!"

# Usage
print(greet())           # Output: Hello, stranger!
print(greet("Alice"))     # Output: Hello, Alice!
In this example, name is set to None by default. If the user provides a name, it overrides None; otherwise, the function greets a "stranger."

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Source: nareshit.com

Tags: python

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Contributed on Sep 06 2024

Adorable Aardvark

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preorder traversal of binary tree

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<> Preorder		Root -> Left -> Right 
<> Inorder		Left -> Root -> Right
<> Postorder	Left -> Right -> Root

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Source: Grepper

Tags: binary-tree preorder traversal whatever

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Contributed on Sep 06 2024

Amjad Saeed

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python none parameter

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