number of matches

def match_count(text,pattern):
    return text.count(pattern)

print(match_count('AABAACAADAABAABA', 'AABA'))


def match_count2(text,pattern):
    count = 0
    accumulator = ''
    pattern_length = len(pattern)
    for char in text:
        if accumulator == pattern:
            count +=1
        if len(accumulator) == pattern_length:
            accumulator=''

        accumulator+=char
    return count

print(match_count2('AABAACAADAABAABA', 'AABA'))