我有4个字符串变量name, quest, favorite_color, speed
,可能是空的.我想把它们连接在一起,在那些不是空的东西之间留出空间.代码的简单性,即查看和理解的简单程度,比速度更重要.
所以:
name = 'Tim'
quest = 'destroy'
favorite_color = 'red'
speed = 'fast'
变成
'Tim destroy red fast'
和
name = 'Steve'
quest = ''
favorite_color = ''
speed = 'slow'
变成:
'Steve slow'
Note there is only 1 space between 'Steve' 和 'slow'.
我该怎么做(最好是一行)?