Pads a string on both sides with the specified character, if it's shorter than the specified length.
- Use
str.ljust()
andstr.rjust()
to pad both sides of the given string. - Omit the third argument,
char
, to use the whitespace character as the default padding character.
py
from math import floor
def pad(s, length, char = ' '):
return s.rjust(floor((len(s) + length)/2), char).ljust(length, char)
pad('cat', 8) # ' cat '
pad('42', 6, '0') # '004200'
pad('foobar', 3) # 'foobar'