Reference library

Lists & loops

Iterate, transform, and combine sequences with readable loop patterns.

1 match
Lists & loops easy

How to check list items by type and emptiness in Python

Loop through a list with enumerate(), classify each item as empty, number, or text, and print a formatted status for each element.

lists loops enumerate
Python 
def check_data(data):
    """Check each item in a list and print whether it's valid."""
    for i, item in enumerate(data):
        if item is None or item == "":
            status = "empty"
        elif isinstance(item, (int, float)):
            status = "number"
        else:
            status = "text"
        pr…
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Lists & loops — Python code examples

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