import os
import json
import ast
print('==============in python function========================')
postreqdata = json.loads(open(os.environ['req']).read())
response = open(os.environ['res'], 'w')
response.write("hello world from "+postreqdata['name'])
response.close()
logic = (postreqdata['logic'])
eval(logic)

2018-01-17T07:07:39.556 ==============in python function========================
2018-01-17T07:07:39.618 Exception while executing function: Functions.ccfinopsRunModel. Microsoft.Azure.WebJobs.Script: Traceback (most recent call last):
  File "D:homesitewwwrootccfinopsRunModelrun.py", line 12, in <module>
    eval(logic)
  File "<string>", line 1
    print('code sent from client alpha1')
        ^
SyntaxError: invalid syntax

{
    "name": "Python Function App",
    "logic": "print('code sent from client alpha1')nprint('code sent from client alpha2')"
}