def branches_stats(tree, num_lines):
    """
    Calculate the average number of branches (conditional statements).
    """
    total_branches = 0

    def traverse(node):
        nonlocal total_branches
        if node.type in ['if_statement', 'switch_statement']:
            total_branches += 1
        for child in node.children:
            traverse(child)

    traverse(tree.root_node)
    # Assuming each branch is its own, this might need refinement based on definition
    avg_branches = total_branches / num_lines
    return {'avg_branches': avg_branches}

    Calculate the average number of branches (conditional statements).
    
evaluation/benchmarks/testgeneval/compute_readability.py