计算Python列表中有多少对数字

def count_number_pairs(lst):
    count = 0
    for i in range(len(lst) - 1):
        if isinstance(lst[i], (int, float)) and isinstance(lst[i+1], (int, float)):
            count += 1
    return count

def count_number_pairs(lst):
    pairs = zip(lst, lst[1:])
    count = sum(isinstance(a, (int, float)) and isinstance(b, (int, float)) for a, b in pairs)
    return count