def get_github_scores(github):
    """
    Calculates GitHub Contribution, Activity and Reputation Scores.
    :param github: GitHub Instance.
    :return: Tuple of individual scores.
    """
    github_contribution_score = 0
    github_activity_score = 0
    github_reputation_score = 0
    if github.exists():
        github = github[0]
        github_contribution_score = github.contribution_score
        github_activity_score = github.activity_score
        github_reputation_score = github.reputation_score
    return github_contribution_score, github_activity_score, github_reputation_score