python boot camp

x = 5 y = x y = 10 print(x)

• 5
  

• 10
  

• None
  

• Error

print(2 ** 3 ** 2)

• 512
  

• 64
  

• 256
  

• 36

def func(x, y=[]):

y.append(x)

return y

print(func(1))

print(func(2))

print(func(3, []))

print(func(4))

• [1] [2] [3] [4]

• [1] [1, 2] [3] [1, 2, 4]

• [1] [2] [3] [4]

x = 5

print(x == 5 and x < 10 or x > 10)

• True
  

• False
  

• Error
  

• None

print(2** (3** 2))

• 512
  

• 64
  

• 729
  

• None of the above

x = "Hello"

y = 3

print(x * y)

• 'HelloHelloHello'
  

• 'Hello3'
  

• Error
  

• None

a = [1, 2, 3, 4]

b = a

b.append(5)

print(a)

• [1, 2, 3, 4]
  

• [1, 2, 3, 4, 5]
  

• [5, 1, 2, 3, 4]
  

• Error

def test(val, lst=[]):

lst.append(val)

return lst

print(test(10))

print(test(20))

print(test(30, []))

print(test(40))

• [10]

  [10, 20]

  [30]

  [10, 20, 40]

• [10]

  [10, 20]

  [30]

  [30, 40]

• [10]

  [20]

  [30]

  [40]

• Error

x = [1, 2, 3]

y = x

y += [4, 5]

print(x)

• [1, 2, 3]
  

• [1, 2, 3, 4, 5]
  

• [4, 5]
  

• Error

print(bool(0), bool(1), bool([]), bool([0]))

• False True False True
  

• True True False True
  

• False False False True
  

• False True False False