[Python] How Place a Market order on MEXC API KEY?

I am sending in just a take profit price variable. Do I need to send in Stop Loss as well?

def post_place(symbol, price, vol, side, type, openType, leverage=None, positionId=None, externalOid=None,
stopLossPrice=None, takeProfitPrice=None, positionMode=None, reduceOnlt=None):
"""Place new order"""
method = 'POST'
path = '/api/v1/private/order/submit'
url = '{}{}'.format(BASE_URL, path)

print(f"Preparing to place trade with the following details:\n"
f"Symbol: {symbol}, Price: {price}, Volume: {vol}, Side: {side}, Type: {type}, OpenType: {openType}, "
f"Leverage: {leverage}, PositionId: {positionId}, ExternalOid: {externalOid}, "
f"TakeProfitPrice: {takeProfitPrice}, StopLossPrice: {stopLossPrice}, PositionMode: {positionMode}, ReduceOnly: {reduceOnlt}")

data_original = {
'symbol': symbol,
'price': price,
'vol': vol,
'side': side,
'type': type,
'openType': openType
}

if leverage:
data_original.update({"leverage": leverage})
if positionId:
data_original.update({"positionId": positionId})
if externalOid:
data_original.update({"externalOid": externalOid})
if takeProfitPrice:
data_original.update({"takeProfitPrice": takeProfitPrice})
if positionMode:
data_original.update({"positionMode": positionMode})
if reduceOnlt:
data_original.update({"reduceOnlt": reduceOnlt})

data = json.dumps(data_original)
print(f"Data to be sent: {data}")

params = _sign_v1(sign_params=data)
headers = {
"ApiKey": API_KEY,
"Request-Time": str(_get_server_time()),
"Signature": params,
"Content-Type": "application/json"
}
print(f"Headers: {headers}")

try:
response = requests.request(method, url, data=data, headers=headers, timeout=10)
print(f"Response received: Status Code: {response.status_code}, Response Text: {response.text}")
response_json = response.json()
print(f"Response JSON: {response_json}")
return response_json
except requests.exceptions.ConnectionError as e:
print(f"Connection error occurred: {str(e)}")
return {"error": "connection_error"}
except requests.exceptions.Timeout:
print("Error: The request timed out.")
return {"error": "timeout"}
except requests.exceptions.RequestException as e:
print(f"Error occurred during the API request: {str(e)}")
return {"error": str(e)}


Am trying to send an order to MEXC to place an order on MEXC. The code freezes upon sending to API and I am not sure where the problem is. I don't think the issue is with my code, am just not sure if am not inputting all the values I am supposed to such as the Stop Loss.

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