#Result are just the same for all, they are all in the same bucket of micro seconds

    tries = 1000000
    tests = [
        'def count_capitals(word):return sum([1 for _ in word if _.isupper()]);count_capitals("AbJiiHhI")',
        'def count_capitals(word):return len([1 for _ in word if _.isupper()]);count_capitals("AbJiiHhI")',
        'def count_capitals(word):return len([_ for _ in word if _.isupper()]);count_capitals("AbJiiHhI")',
        'def count_capitals(word):return len([c for c in word if c.isupper()]);count_capitals("AbJiiHhI")',
        'def count_capitals(word):return sum(_.isupper() for _ in word);count_capitals("AbJiiHhI")',
        'def count_capitals(word):return sum(map(str.isupper, s));count_capitals("AbJiiHhI")',
    ]

    for test in tests:
        r = timeit.timeit(test, number=tries)
        print(r)

# 0.11390619999999996
# 0.11634690000000003
# 0.12341920000000006
# 0.1153246
# 0.11556100000000002
# 0.11212420000000001