include "icudt53.dll, icuin53.dll, icuuc53.dll" ?

[Timothy W. Grove]

Does anyone have an idea of what the following .dll's are for? Cx_freeze 
includes them in a Python3.4-PyQt5 deployment adding about 23 Mb to my 
application. Removing them doesn't appear to make any difference on my 
computer, but I hesitate to distribute the application to others without 
them. Thanks for any response.

Best regards,
Tim Grove
icudt53.dll
icuin53.dll
icuuc53.dll
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