string {{}} in format python code example

Example 1: python string format

print("My name is {0} and I am {1} years old".format(name, age))

Example 2: string formatting in python

# Newer f-string format
name = "Foo"
age = 12
print(f"Hello, My name is {name} and I'm {age} years old.")
# output :
# Hello, my name is Foo and I'm 12 years old.