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import ast
import io
from contextlib import redirect_stdout
def run(code: str):
"""Execute the python code.
Args:
code: Python code to execute, such as `print("hello world")`
"""
output = io.StringIO()
with redirect_stdout(output):
value = exec_with_return(code, {}, {})
if value is not None:
output.write(str(value))
return output.getvalue()
def exec_with_return(code: str, globals: dict, locals: dict):
a = ast.parse(code)
last_expression = None
if a.body:
if isinstance(a_last := a.body[-1], ast.Expr):
last_expression = ast.unparse(a.body.pop())
elif isinstance(a_last, ast.Assign):
last_expression = ast.unparse(a_last.targets[0])
elif isinstance(a_last, (ast.AnnAssign, ast.AugAssign)):
last_expression = ast.unparse(a_last.target)
exec(ast.unparse(a), globals, locals)
if last_expression:
return eval(last_expression, globals, locals)
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