Interatcive Maps using R Markdown and Leaflets

library(leaflet)
## Warning: package 'leaflet' was built under R version 3.6.1
library(shiny)
## Warning: package 'shiny' was built under R version 3.6.1
my_map <- leaflet() %>% addTiles() 
my_map <- my_map %>% addMarkers(lng=103.7758052, lat=1.3283259, popup="My School")
my_map