gistfile1.txt

def chkSqe(a1, a2):
    '''
    this method receive two array on characters, a1, and a2
    it checks array a1 is the sequence of character in a2 exist
    in the order, and returns true is so, or false if not
    Args: a1: array of characters
        a2: array of characters
    Return: Boolean
    '''
    char_to_chk = 0
    for i in range(len(a1)):
        #check if the length of a1 remaining is more than the length of
        #the remaining sequence
        if (len(a2) - char_to_chk) > len(a1[i:]):
            break
        if a1[i] == a2[char_to_chk]:
            if char_to_chk == len(a2) - 1:
                return True
            if char_to_chk + 1 < len(a2):
                char_to_chk += 1
            continue
        else:
            char_to_chk = 0
    return False