返回中的多个打印语句

Question

如何将下面的函数careers存储在变量中供以后使用

jobs = ('Cook', 'Vet', 'Doctor', 'Pilot')
def careers():
    print("Heres a list of jobs\n")

    for j in jobs:
        print("This person is a " + j + ".")
    
    print("\nAre you interested in any of these as careers?")

post = careers()

当我尝试print(post())（我分配给函数的上述变量）时，输出为None。我知道我应该使用return来输出函数的结果，但是我很难在一个包含多个打印语句的函数中使用return，这些语句需要保持以下格式

Heres a list of jobs

This person is a Cook.
This person is a Vet.
This person is a Doctor.
This person is a Pilot.

Are you interested in any of these as careers?

Answer 1

你需要理解python中“return”的概念，如果你想从函数中得到一个变量，你可以从该函数中得到它，你可以在调用该函数的时候/任何时候得到它 这是您的代码的固定版本

jobs = ('Cook', 'Vet', 'Doctor', 'Pilot')
def careers():
    output_of_careers = ""
    output_of_careers += output_of_careers +"Heres a list of jobs\n\n"
    for j in jobs:
        output_of_careers = output_of_careers +"This person is a " + j + ".\n"
    
    output_of_careers = output_of_careers +"\nAre you interested in any of these as careers?"
    return output_of_careers
post = careers()
print(post)

Answer 2

假设您确实想要存储函数careers，您需要将函数careers（注意没有括号）分配给post，而不是调用careers()的结果

得到None的原因是，如果您没有从Python中的函数返回任何内容，您会得到None（尽管我很惊讶您没有得到TypeError，而是尝试调用None()）