Catalog of quizzes

a = [[] * 2] * 2
a[0].append(1)

print(a)

[[1], [1]]

• object/reference
• list/operation/append
• list/operation/multiply,

lst = ["ab", "vm"]
for x in lst:
  lst.append(x.upper())

print(lst)

Infinite loop.

• list/operation/append
• string/operation/upper

lst = [4.6, 2.3, 7.8]
a = list([2, 5.9])

for num in lst:
  a.append(int(num))

print(a)

[2, 5.9, 4, 2, 7]

• build-in/int
• build-in/list
• list/operation/append

furniture_1 = ["TV", "Projector", "Playstation"]
furniture_2 = ["Fridge", "Cooker", "Toster"]

furniture_1.extend(furniture_2)
furniture_2.append(furniture_1)

print(furniture_2)

['Fridge', 'Cooker', 'Toster', ['TV', 'Projector', 'Playstation', 'Fridge', 'Cooker', 'Toster']]

• list/operation/extend
• list/operation/append

mylist1 = [[],[-1]]
mylist2 = [[],[-1]]
mylist2.sort()
print(mylist1 is mylist2)

False

• object/identify
• list/operation/append