run_python.py

import urllib2
import StringIO
import sys
import contextlib
import ast
@contextlib.contextmanager
def stdoutIO(stdout=None):
    old = sys.stdout
    if stdout is None:
        stdout = StringIO.StringIO()
    sys.stdout = stdout
    yield stdout
    sys.stdout = old
def lambda_handler(event, context):
    name = event['name']
    response = urllib2.urlopen(event['url'])
    input = event['input']
    input = ast.literal_eval(input)
  
    code = response.read()
    with stdoutIO() as s:
        try:
            exec(code)
            result = locals()[name](input)
            print result
        except Exception as err:
            return "Unexpected error:" + str(err)
    
    return s.getvalue()