Can you please write a simple static website in there is space for 3 horizontal image slots and 1 slider with the following details:
1. the left most image slot and the rightmost image slot are inputs - the user needs to be able to upload an image 
2. the middle image slot is an output and is the weighted average of the pixel value of the two uploaded images (it is kept blank until both images were uploaded)
3. the slider is located directly below the middle image slot goes from 0 to 1 and determines the weight of the leftmost image in the average. the weight of the rightmost image is (1 - slider_weight)
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