import ctypes
import ctypes.wintypes

if __name__ == '__main__':
    k32 = ctypes.windll.kernel32
    vname = ctypes.create_unicode_buffer(ctypes.wintypes.MAX_PATH)
    vhandle = k32.FindFirstVolumeW(vname, ctypes.wintypes.MAX_PATH)
    while True:
        print(vname.value)
        if not k32.FindNextVolumeW(vhandle, vname, ctypes.wintypes.MAX_PATH):
            break