what does format do in python code example

Example 1: formatted string 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.

Example 2: python string format

string_a = "Hello"
string_b = "Cena"

# Index based:
print("{0}, John {1}"
      .format(string_a, string_b))
# Object based:
print("{greeting}, John {last_name}"
      .format(greeting=string_a, last_name=string_b))

Example 3: How to use .format in python

#The {} are replaced by the vairables after .format
new_string = "{} is string 1 and {} is string 2".format("fish", "pigs")

Example 4: formatter in python

#TO  know this execute  and check
username,password = "GOOGLE","google"
#a. %  first type
print("User name=%s User password=%s"%(username,password))
#b. {}  second type
print("User name={} User password={}".format(username,password
#c. f  third type
print(f"User name={username} User password={password}")
print(f"User name={username} \nUser password={password}"