def program(self): def double(x): return x * 2 def quadruple(x): return double(double(x)) assert_equal(quadruple(2), 8) assert_equal(quadruple(5), 20)
def program(self): def is_friend(name): return name == "Alice" or "Bob" assert_equal(is_friend("Alice"), True) assert_equal(is_friend("Bob"), True) assert_equal(is_friend("Charlie"), False)
def program(self): def is_friend(name): if name == "Alice" or name == "Bob": return True else: return False assert_equal(is_friend("Alice"), True) assert_equal(is_friend("Bob"), True) assert_equal(is_friend("Charlie"), False)
def program(self): def double(x): return x * 3 assert_equal(double(2), 4) assert_equal(double(5), 10)
def program(self): def double_numbers(numbers): for x in numbers: return x * 2 assert_equal(double_numbers([1, 2, 3]), [2, 4, 6])