Python - Making Choices(if/else statement, order, if statements)

Practical Programming
An Introduction to Computer Science
Using Python 3
(Pragmatic Programmers)
(Pragmatic Bookshelf)
Paul Gries (著) Jennifer Campbell (著)
Jason Montojo (著) Lynn Beighley (編集)

開発環境

• OS X Mavericks - Apple(OS)
• Emacs (CUI)、BBEdit - Bare Bones Software, Inc. (GUI) (Text Editor)
• Python 3.4 (プログラミング言語)

Practical Programming: An Introduction to Computer Science Using Python 3 (Pragmatic Programmers) (Paul Gries (著)、Jennifer Campbell (著)、Jason Montojo (著)、Lynn Beighley (編集)、Pragmatic Bookshelf)のChapter 5(Making Choices)、5.6(Exercises) 10.を解いてみる。

5.6(Exercises) 10.

1. It's acidic!
2. It's acidic!'

コード(BBEdit)

sample9.py

#!/usr/bin/env python3
#-*- coding: utf-8 -*-

ph = float(input('Enter the ph level: '))

if ph < 7.0:
    print("it's acidic!")
if ph < 4.0:
    print("It's a strong acid!")

入出力結果(Terminal, IPython)

$ ./sample10.py
Enter the ph level: 1
it's acidic!
It's a strong acid!
$