ex.py

def countMembers(s):
    lower=["e","f","g","h","i","j"]
    upper=["F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X"]
    num=[2,4,5,6]
    all_lists = lower + upper + list(str(num))

    #as a one liner
    total_count = len([character for character in s if character in all_lists])

    #broken out
    total_count = 0
    for character in s:
        if character in all_lists:
            total_count += 1
    print(total_count)

countMembers('aodfUuZha952')