Python 3.x 程式語言特訓教材

'''
使用輸入重導入，模擬並測試實際考試環境
$ echo -e '23.12\n395.3\n100.4617\n564.329' | python3 main.py

其中 -e 表示
  -e  enable interpretation of the following backslash escapes

echo -e '123\n456' 表示兩個參數 '123' 和 '456'
echo '123\n456' 表示只有一個參數 '123\n456'
'''


# main.py 程式碼範例
num1 = float(input())
num2 = float(input())
num3 = float(input())
num4 = float(input())

print('|{:>7.2f} {:>7.2f}|'.format(num1, num2))
print('|{:>7.2f} {:>7.2f}|'.format(num3, num4))
print('|{:<7>7.2f'), format(num2, '>7.2f')))
print('|{} {}|'.format(format(num3, '>7.2f'), format(num4, '>7.2f')))
print('|{} {}|'.format(format(num1, '&lt;7.2f'), format(num2, '&lt;7.2f')))
print('|{} {}|'.format(format(num3, '&lt;7.2f'), format(num4, '&lt;7.2f')))
print('-----------------')
print('|%7.2f %7.2f|' % (num1, num2))
print('|%7.2f %7.2f|' % (num3, num4))
print('|%-7.2f %-7.2f|' % (num1, num2))
print('|%-7.2f %-7.2f|' % (num3, num4))


輸出結果：
|  23.12  395.30|
| 100.46  564.33|
|23.12   395.30 |
|100.46  564.33 |
-----------------
|  23.12  395.30|
| 100.46  564.33|
|23.12   395.30 |
|100.46  564.33 |
-----------------
|  23.12  395.30|
| 100.46  564.33|
|23.12   395.30 |
|100.46  564.33 |