Reference library

Lists & loops

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

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Lists & loops easy

Extract Data by Type from a List in Python: Numbers and Strings

Loop through a mixed list to filter out numeric and string values into separate lists.

lists filtering type-checking
Python
def extract_numbers(items):
    """Extract all numeric values from a mixed list."""
    numbers = []
    for item in items:
        if isinstance(item, (int, float)) and not isinstance(item, bool):
            numbers.append(item)
    return numbers


def extract_strings(items):
    """Extract all string values from a…
14 0 Open

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