def exec_def(cmd_str, obj):
    import requests
    print(requests.post("http://172.18.162.173:8000/exec", json={
        "function_str": cmd_str,
        "call_str": "exec(obj)",
        "param_dict": {
            "obj": obj
        }
    }).json())


# ================[ 自定义部分 Start ]===============
exec_str = """
def exec(obj):
    return obj
"""
obj = {"b": 45, 'zScore': None}
# ================[ 自定义部分 End ]===============


print(exec_def(exec_str, obj))