what is f-strings in python code example

Example 1: f string python

# f-string is a format for printing / returning data
# It helps you to create more consise and elegant code

########### Example program ##############

# User inputs their name (e.g. Michael Reeves)
name = input()
# Program welcomes the user
print(f"Welcome to grepper {name}")

################ Output ################

""" E.g. Welcome to grepper Michael Reeves """

Example 2: in python f then string meaning

>>> import datetime
>>> name = 'Fred'
>>> age = 50
>>> anniversary = datetime.date(1991, 10, 12)
>>> f'My name is {name}, my age next year is {age+1}, my anniversary is {anniversary:%A, %B %d, %Y}.'
'My name is Fred, my age next year is 51, my anniversary is Saturday, October 12, 1991.'
>>> f'He said his name is {name!r}.'
"He said his name is 'Fred'."