CODE EXAMPLE FOR PYTHON

str.format()

# Python3 program to demonstrate
# the str.format() method
 
# using format option in a simple string
print("{}, A computer science portal for geeks."
      .format("GeeksforGeeks"))
 
# using format option for a
# value stored in a variable
str = "This article is written in {}"
print(str.format("Python"))
 
# formatting a string using a numeric constant
print("Hello, I am {} years old !".format(18))

OUTPUT:
  
GeeksforGeeks, A computer science portal for geeks.
This article is written in Python
Hello, I am  18 years old!