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Hi, I'm studying for a final exam and I just wanted to ask if you could be so kind to explain how you get these answers from these questions. I'm really confused on them. Thanks!

```
1) What is the output of the following program?
def f(x, y):
if y == 0:
return x
else:
return f(y, x%y)
print(f(240, 150))
Answer: 30
2) What is the output of the following program?
num = 0
for i in range(0,10,1):
if (i%2 == i%3):
num = num + 1
print(num)
Answer: 4
```