Global variables help

[wise falcon]

    global c
    c=a+b
    def f2():
        global c
        c=2+b
    f2()
    print(c)
f1(1,2)```
Is that the way I can manipulate a variable with inner functions?
do i have to write global c in every funcion it is used?

[neon idol]

Why don't you have c as an argument?

And return it

[wise falcon]

you mean smth like this?

def f1(a,b): c=a+b def f2(c,b): c=c+b return c f2(c,b) return c print(f1(1,2))

[neon idol]

I'm not sure why you are defining a function inside a function but it'd be something like this. I changed the line where you call f2 to store the return value from it back into c

def f1(a,b):
    c=a+b
    def f2(c,b):
        c=c+b
        return c
    c = f2(c,b)
    return c
print(f1(1,2))

I'd do something like this

[wise falcon]

youre right. wrong code

a=1 b=2 c=3 def f1(a,b,c): c+=a+b return c f1(a,b,c) c+=1 print(c)

[neon idol]

Ah okay so yeah. You'd do this

a=1
b=2
c=3
def f1(a,b,c):
    c+=a+b
    return c
c = f1(a,b,c)
c+=1
print(c)

[wise falcon]

but what if I want to change more than 1 variables ?

isnt globals the way?

[neon idol]

Globals are typically considered bad, you don't really want to be just changing global variables in functions, it's hard to keep track of and tracking down bugs/issues becomes more difficult

[wise falcon]

also read that I dont really need to specify arguments on the def since they are already there

[neon idol]

What do you mean?

a = 1 
b = 2
c = 3

def add_5(n):
    return n + 5

a = add_5(a)
b = add_5(b)
c = add_5(c)

I can't really think of good examples off of the top of my head but if you wanted to do something like that with globals it'd get very unwieldy

It's also clear exactly what is happening

[wise falcon]

ok thanks