在python列表上循环和字符串格式化

在字符串格式的列表中循环列表

我有以下变量

BUILDING = "123"
SIDE = "ProductionA"
TODO = "traveling without moving"

我有以下清单

OS = ["Linux", "Unix", "Windows"]

我创建一个格式化的字符串列表

FLIST = [
"I am installing in {}, side {} using the {} cd".format (BUILDING,SIDE,o),
"Other random stuff",
"Even more random stuff: ".format(TODO)]

我想循环列表：

for o in OS:
    print(o)
    for f in FLIST:
        print(f)

我希望得到：

"I am installing in 123, side ProductionA using the Linux cd"
"Other random stuff",
"Even more random stuff: traveling without moving"

"I am installing in 123, side ProductionA using the Unix cd"
"Other random stuff",
"Even more random stuff: traveling without moving"

"I am installing in 123, side ProductionA using the Windows cd"
"Other random stuff",
"Even more random stuff: traveling without moving"

打印（o）

有效，如果我在格式字符串中省略操作系统，我将获得值（

Linux

，

Unix

，

窗口

）

I am installing in {}, side {} using the {} cd".format (BUILDING,SIDE)

但是格式化列表不接受o变量，我得到的错误是：

NameError:未定义名称“o”

---

非常感谢您的帮助。

我已将

FLIST

放入循环中。试试看

BUILDING = "123"
SIDE = "ProductionA"
TODO = "traveling without moving"

OS = ["Linux", "Unix", "Windows"]

for o in OS:
    print(o)
    FLIST = ["I am installing in {}, side {} using the {} cd".format (BUILDING,SIDE,o),"Other random stuff","Even more random stuff: {}".format(TODO)]
    for f in FLIST:
        print(f)

输出：

Linux
I am installing in 123, side ProductionA using the Linux cd
Other random stuff
Even more random stuff: traveling without moving
Unix
I am installing in 123, side ProductionA using the Unix cd
Other random stuff
Even more random stuff: traveling without moving
Windows
I am installing in 123, side ProductionA using the Windows cd
Other random stuff
Even more random stuff: traveling without moving

---

在操作中查看它

FLIST

应该是将

o

作为输入的函数：

BUILDING = "123"
SIDE = "ProductionA"
TODO = "traveling without moving"

# Note f-strings only work in python 3.6+, revert to .format() if you need to use an older version
def make_flist(operating_system):
    return [
        f"I am installing in {BUILDING}, side {SIDE} using the {operating_system} cd",
        "Other random stuff",
        f"Even more random stuff: {TODO}"
    ]

operating_systems = ["Linux", "Unix", "Windows"]

for operating_system in operating_systems:
    print(operating_system)
    for statement in make_flist(operating_system):
        print(statement)

---

尝试创建一个函数

FLIST

，该函数以o为参数：

def FLIST(o):
    return [
        "I am installing in {}, side {} using the {} cd".format (BUILDING,SIDE,o), 
        "Other random stuff",
        "Even more random stuff: ".format(TODO)
    ]

然后使用此功能：

for o in OS:
    print(o)
    for f in FLIST(o):
        print(f)

---

FLIST

应该是将

o

作为输入的函数。这听起来像是范围界定的问题。

FLIST

中的项目不知道

o

，因为它在不同的范围内1-FLIST声明应该在for循环中，2-FLIST中的“在第一个格式（）之后应该在

FLIST

中删除，只需将

o

替换为

”{}“

感谢大家的快速响应，就我而言，@mAhMoUdDaFeR的回答是最好的，因为他的回答保持了我列表中大部分内容的机智。尽管来自Dan和Codelt的其他代码也提供了信息，但是for循环中没有定义

o

。