template sting equivalent in python code example

Example 1: template string python

print("Hello {planet}".format(planet='World'))

#or 

i = "Hello"

print("{word} World".format(word= i ))

Example 2: string template python

from string import Template
poem = Template('$x are red and $y are blue')

print(poem.substitute(x='roses', y='violets'))
#>>>roses are red and violets are blue