What will be the output of following program ?

num = 1
def myfunc():
    num = 10
    return num
print(num)
print(myfunc())
print(num)

What will be the output of the following program?

num = 1
def myfunc():
    global num
    num = 10 
print (num) 
print (myfunc())
print (num)

What is wrong with the following function definition ?

def addEm(x, y, z):  
    return x + y + z
    print("the answer is", x + y + z)

Predict the output of the following code:

a = 10
y = 5
def myfunc (a) :
    y = a
    a = 2
    print ("y=",y, "a=", a) 
    print ("a+y", a + y) 
    return a + y
print ("y=",y, "a=", a) 
print (myfunc (a))
print ("y=", y, "a=", a)