len() — Intermediate Examples
Returns the number of items in a container
len() with keyword arguments
Using len() with optional parameters and in iteration patterns.
python
# len() intermediate usage print("Using len() with advanced parameters") help(len)
len() supports additional parameters that modify its behavior.
len() in real-world code
Practical patterns using len().
python
# Common len() patterns in production code print("len() is frequently used for data transformation") # Example: processing a list data = [1, 2, 3, 4, 5] print(f"Sum: {sum(data)}") print(f"Max: {max(data)}") print(f"Sorted: {sorted(data, reverse=True)}")
These patterns show how len() is commonly used in production code.
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