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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create_folder_if_not_exists(folder_path):
 """Creates a folder if it does not exists."""

    folder_path = tilde_expansion(folder_path)
    folder_path = "".join([folder_path, '/']) if not folder_path[-1] == '/' else folder_path
    direc = os.path.dirname(folder_path)
    if not folder_exists(direc):
        os.makedirs(direc)