1

center(width, fillchar)

Returns a string padded with fillchar with the original string centered to a total of width columns.

2

ljust(width[, fillchar])

Returns a space-padded string with the original string left-justified to a total of width columns.

3

rjust(width,[, fillchar])

Returns a space-padded string with the original string right-justified to a total of width columns.

4

expandtabs(tabsize = 8)

Expands tabs in string to multiple spaces; defaults to 8 spaces per tab if tabsize not provided.

5

zfill (width)

Returns original string leftpadded with zeros to a total of width characters; intended for numbers, zfill() retains any sign given (less one zero).