import folium
from folium.plugins import MousePosition


m = folium.Map()

MousePosition().add_to(m)

m

m = folium.Map()

formatter = "function(num) {return L.Util.formatNum(num, 3) + ' º ';};"

MousePosition(
    position="topright",
    separator=" | ",
    empty_string="NaN",
    lng_first=True,
    num_digits=20,
    prefix="Coordinates:",
    lat_formatter=formatter,
    lng_formatter=formatter,
).add_to(m)

m