Add support for transpiler from ASTx to Python built-in AST

[xmnlab]

Summary

Add support for transpiler from ASTx to Python built-in AST.

Example for how to use Python ast:

import ast

# Create an if-else structure programmatically
if_stmt = ast.If(
    test=ast.Compare(
        left=ast.Name(id="x", ctx=ast.Load()),  # x
        ops=[ast.Gt()],                         # >
        comparators=[ast.Constant(value=10)],   # 10
    ),
    body=[ast.Expr(
        value=ast.Call(
            func=ast.Name(id="print", ctx=ast.Load()), 
            args=[ast.Constant(value="x is greater than 10")],
            keywords=[]
        )
    )],
    orelse=[ast.Expr(
        value=ast.Call(
            func=ast.Name(id="print", ctx=ast.Load()), 
            args=[ast.Constant(value="x is 10 or less")],
            keywords=[]
        )
    )]
)

# Wrap in a Module node
module = ast.Module(body=[if_stmt], type_ignores=[])

# Convert to source code
new_code = ast.unparse(module)
print(new_code)

The current transpiler from ASTx to Python Source can be use as a reference: https://github.com/arxlang/astx/blob/main/src/astx/tools/transpilers/python.py

Additional Information

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