C:\Python24>python modulefinder.py program1.py

  Name                      File
  ----                      ----
m __main__                  program1.py
m _sre
m array
m copy_reg                  C:\Python24\lib\copy_reg.py
m re                        C:\Python24\lib\re.py
m select                    C:\Python24\DLLs\select.pyd
m sre                       C:\Python24\lib\sre.py
m sre_compile               C:\Python24\lib\sre_compile.py
m sre_constants             C:\Python24\lib\sre_constants.py
m sre_parse                 C:\Python24\lib\sre_parse.py
m string                    C:\Python24\lib\string.py
m strop
m sys
m types                     C:\Python24\lib\types.py

C:\Python24>