which version of opencv is best to download for anaconda(python 3.7))

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hi... sir/madam, i downloaded anaconda (python 3.7 version) of 32 bit and installed it. I downloaded 32 bit version because my system is of 32 bit. So please tell me which version of opencv will be best suits for me. so that I can download and install. I will be glad if I can get the answer as soon as possible.