1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3
4###
5### printf形式
6###
7s = '%s is more powerful than %s' % ('Python', 'Fortran')
8print(s)
9
10i = 2021
11a = 3.1415
12b = 2.7182
13print("i = %-5d" % (i))
14print("pi = %4.2f" % (a))
15print("e = %5.3f" % (b))
16
17###
18### format()
19###
20# "Python is more powerful than Fortran" が出力される
21s = "{} is more powerful than {}".format('Python', 'Fortran')
22print(s)
23
24# "Fortran is more powerful than Python" が出力される
25s = "{1} is more powerful than {0}".format('Python', 'Fortran')
26print(s)
27
28print("i = {:-5d}".format(i))
29print("pi = {:4.2f}".format(a))
30print("e = {:5.3f}".format(b))