How assign a function which returns muliple values to a variable (python)

Question

NORMAL CODE:

s = list(range(1))

for i in s:
    print(i)

RESULT: (Vertical Display)

I want the same result using a function which i can assign to a variable and use inside a string literal.

def results():
    for i in s:
        print(i)

numbers = results()
report = f"Here is the list on numbers: {numbers}"

RESULT: None

When i use 'return' inside function, i get just one value.

Any better way to do this???

Actually, a generator won't do what you want, since you'll need to call your function in a loop. — Barmar
– Barmar, Commented Jul 21, 2020 at 16:00

Barmar · Accepted Answer · 2020-07-21 16:02:00Z

1

The function needs to collect all the results into a list instead of printing them. You can use a list comprehension for this.

def results():
    return [i for i in s]

answered Jul 21, 2020 at 16:02

Barmar

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GLaw1300 · Accepted Answer · 2020-07-21 16:02:48Z

1

When you return within a function in python in a for loop, it will return the singular value and cease function execution. In this particular case, this should work if your desire is only string formatting:

def results():
    ret = "\n"
    for i in s:
        ret += str(i) + "\n"
    return ret

s = [1,2,3,4]

numbers = results()
print(f"Here you go: {numbers}")

answered Jul 21, 2020 at 16:02

GLaw1300

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3 Comments

quamrana Over a year ago

This would be better is s was a parameter of results().

GLaw1300 Over a year ago

@quamrana I was just trying to match the structure of his existing code

quamrana Over a year ago

Ok, I see. I normally like to make another small improvement in my answers. But also: As a programmer you should try very, very, very hard not to use globals.

Samtoo · Accepted Answer · 2020-07-21 16:03:52Z

0

def results():
    s = list(range(10))
    for i in s:
        print(i)
    return s

numbers = results()
report = f"Here is the list on numbers: {numbers}"

answered Jul 21, 2020 at 16:03

Samtoo

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