Formatting

The format method is used to format strings.

Format

The {} is used as a placeholder for data. The format method contains a list of strings or numbers that is used to replace the {}, in order.

format.py

# you can use format to format strings
name = 'Steve'
color = 'Blue'

print('My name is {} and my favorite color is {}'.format(name, color))

Output:

My name is Steve and my favorite color is Blue

print with f

You can also use the f in a print to format a string.

print_f.py

name = 'Steve'
color = 'Blue'
print(f'My name is {name} and my favorite color is {color}')

first_name = 'Joe'
last_name = 'Smith'
name = f'{first_name} {last_name}'
print(name)

Output:

My name is Steve and my favorite color is Blue
Joe Smith

Links

• f-strings
• 12 Beginner Python Projects - Coding Course

Exercises (5 mins)

1. Complete the following program.

   # 1. input name with 'Enter name:'
   
   # 2. input favorite_food with 'Enter favorite food: '
   
   # 3. print My name is {name} and my favorite food is {favorite_food} with format
   

   Output:

   Enter name:Steve
   Enter favorite food: Burrito
   My name is Steve and my favorite food is Burrito
   

2. Complete the following program.

   # madlibs
   
   # Enter an adjective
   # Enter a verb
   # Enter another verb
   # Enter a famous person
   
   madlib = f'Computer programming is so {adjective}! It makes me so excited all the time because I love to {verb1}. Drink water and {verb2} like you are {famous_person}'
   
   print(madlib)
   print('Done.')
   

   Output:

   Enter an adjective:cool
   Enter a verb: skydive
   Enter another verb: jump
   Enter the name of a famous person: Elon Musk
   Computer programming is so skydive! It makes me so excited all the time because I love to skydive. Drink water and jump like you are Elon Musk