0489158b199bec930e2d10f0c16e214571c0c17287f0ee93193ca385b79135db3faab396827dea71071568548e9ddc0ffdefe649db9b8601e3db79a8d1e91c0797
f = open(“keys.txt”,”r”)even = ["0","2","4","6","8","A","C","E","a","c","e"]for line in f: public_key_u=line public_key_x,public_key_y = public_key_u[2:67],public_key_u[67:132] if public_key_y[len(public_key_y)-1] in even: hex_compressed_public_key = "02"+public_key_x else: hex_compressed_public_key = "03"+public_key_x x = open(“compressedkeys.txt”,”a”) x.write(hex_compressed_public_key +”\n”) x.close()