Format

format()

print('{0} ate {1} apples {2}'.format('I', '3', 'yesterday'))
print('{0} ate {1} apples {2}'.format('You', '5', 'at 2 pm'))
print('{1} ate {0} apples {2}'.format('5', 'You', 'at 2 pm'))
print('{} ate {} apples {}'.format('I', '3', 'yesterday'))
 
import math
myPi = math.pi
 
print('{0} {1:.4f} '.format(2,myPi) )
print('Pi rounded to {0} decimal places is {1:.5f}.'.format(4, myPi))
 
 
>>> I ate 3 apples yesterday
>>> You ate 5 apples at 2 pm
>>> You ate 5 apples at 2 pm
>>> I ate 3 apples yesterday
>>> 2 3.1416
>>> Pi rounded to 4 decimal places is 3.14159.

문자열.format() 을 사용하면, 결과값의 형태를 규격화 할 수 있다.