Python: How to Call Methods from Another Script which is Imported as Module in Main Script

How to call methods from another script which is imported as module in main script ?

Add below code at the beginning of main script (which is being invoked using UiPath.Python.Activities) :
 

import  sys
sys.path.append("full path where other script is placed")
 

Note: Other steps to invoke the python script method will remain same.