Python: List
string interpolation
without format
variable = 'World'
output = f'Hello {variable}!'
# Hello World
using format
template1 = 'Hello {}!'
output1 = template1.format('World')
template2 = 'Hello {variable}!'
output2 = template2.format(variable='World')
template3 = 'Hello {0}!'
output3 = template3.format('World')
# Hello World