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+--- Thread: Def and variable help please (/thread-12759.html)
Def and variable help please - Mrocks22 - Sep-11-2018
I want to be able to use the variables in test1, test2 and test3 in testall all like this
def test1():
x = 1
def test2():
y = 2
def test3():
z = 3
def testall():
print(x)
print(y)
print(z)
I have tried using the command return but that does not work at it does not allow the execution of code after the return.
The simpler the solution the better because I am quite new at python and don't really understand more complex coding.
RE: Def and variable help please - ichabod801 - Sep-11-2018
Please use Python tags when posting code. It looks like you are trying to use global variables, which is a bad idea. The way you would do this with return statements and parameters is:
def test1():
return 1
def test2():
return 2
def test3():
return 3
def testall(x, y, z):
print(x)
print(y)
print(z)
if __name__ == '__main__':
x = test1()
y = test2()
z = test3()
testall(x, y, z)See the functions tutorial link in my signature below for more information. The if __name__ == '__main__': block is only run if the module is run from the command line, but not if it is imported by another module. It's a common way to put test code or what might be 'main' code.
RE: Def and variable help please - gruntfutuk - Sep-11-2018
The variables x, y, z only exist within the scope of each of your functions.
You either call the function and have it print itself, or you call the function and have it return a value that you can use elsewhere (in the code that called the function).
@ichabod801 you've missed end : from first three defs in your sample code. [Sorry, don't know how to tag you].
RE: Def and variable help please - ichabod801 - Sep-12-2018
(Sep-11-2018, 06:43 PM)gruntfutuk Wrote: @ichabod801 you've missed end : from first three defs in your sample code.
Duh. Good catch.