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 following program ?

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

Predict the output of the following code :

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

What is wrong with the following function definition ?

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