def is_initial_string(initial_string, string):
    if (len(initial_string) > len(string)):
        return False
    for i in range(len(initial_string)):
        if (initial_string[i] != string[i]):
            return False
    return True
def is_initial_string(initial_string, string):
    if (len(initial_string) > len(string)):
        return False
    for i in range(len(initial_string)):
        if (initial_string[i] != string[i]):
            return False
    return True