<reponame>Togohogo1/pg
'''
Given 2 strings, a and b, return the number of the positions where they
contain the same length 2 substring. So "xxcaazz" and "xxbaaz" yields 3,
since the "xx", "aa", and "az" substrings appear in the same place in both
strings.
'''

def string_match(a, b):
    count = 0

    for i in range(min(len(a), len(b))-1):
        if a[i] + a[i+1] == b[i] + b[i+1]:
            count += 1

    return count

'''
Given 2 strings, a and b, return the number of the positions where they
contain the same length 2 substring. So "xxcaazz" and "xxbaaz" yields 3,
since the "xx", "aa", and "az" substrings appear in the same place in both
strings.
'''

def string_match(a, b):
    count = 0

    for i in range(min(len(a), len(b))-1):
        if a[i] + a[i+1] == b[i] + b[i+1]:
            count += 1

    return count
Given 2 strings, a and b, return the number of the positions where they contain the same length 2 substring. So "xxcaazz" and "xxbaaz" yields 3, since the "xx", "aa", and "az" substrings appear in the same place in both strings.