#To define a particular parameter, replace the 'parameterName' inside itsm.getParameter('parameterName') with that parameter's name
old_file_path = itsm.getParameter('Enter_the_path')  ## Enter the location of the file with Extention
Newname=itsm.getParameter('Enter_the_filename') ## Enter the New Name of the File with Extention
import os
import ctypes
class disable_file_system_redirection:
    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
    def __enter__(self):
        self.old_value = ctypes.c_long()
        self.success = self._disable(ctypes.byref(self.old_value))
    def __exit__(self, type, value, traceback):
        if self.success:
            self._revert(self.old_value)
with disable_file_system_redirection():
    new_file = "\\".join(old_file_path.split('\\')[:-1])
    os.rename(old_file_path,new_file+"\\"+Newname)
print "File renamed successfully"