Python : pass variable name as argument

Question

I have a function f(x) in which many local variables are created. x is a string with the same name as one of these local variables and I would like

Answer 1

You can use exec() and put your code in argument as a string

def f(x):
    a = [1,2,3]
    b = [2,3,4]
    c = [3,4,5]
    exec(x + "[0] = 10")

    return a,b,c

print f("a")
# ([10, 2, 3], [2, 3, 4], [3, 4, 5])