I would like to ask about Australia tourist visa and study visa.

No, even if you get a tourist visa to Australia, you still have to return to your country to change your study visa before you can enroll in school. Generally, there will be some clauses on the visa stating what you can and cannot do with this visa.

Moreover, e-visas are usually investigated by phone. In order not to affect your study visa, I suggest you wait with peace of mind and wait for your study visa to be issued before going out