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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def find_first_number(ll):
 """ Returns nr of first entry parseable to float in ll, None otherwise"""

    for nr, entry in enumerate(ll):
        try:
            float(entry)
        except (ValueError, TypeError) as e:
            pass
        else:
            return nr
    return None