day 2

1. What is the correct way to declare an empty list in Python?

• my_list = {}
• my_list = [ ]
• my_list = list( )
• my_list = list[]

2. In Python, how do you access the value associated with the key 'age' in the dictionary person?

• person.age
• person['age']
• person.get('age')
• person['name']

x = "moyo"

for( i in x) :

print(i)
predict output ?

• m o y o
• moyo

• m
  o
  y
  o

my_dict = {'apple': 3, 'banana': 2, 'orange': 5}
result = len(my_dict.keys())

result2 = len(my_dict)
print(result, result2)

• 3,6

• 6,3

• 3,3

• error

5.how to print a dictionary in Python?

• print(dictionary_name{})

• print(dictionary_name)
• display(dictionary_name)
• show(dictionary_name)

n = 1

while(n>0) :

n = n+1

what happens ?

• infinite loop

• the loop doesnt start

• n reaches 1000 and stops

7. What does the append function do with a list in Python?

• it adds an element into the beginning of the list

• It reverses the order of the elements in the list.
• It creates a new list with the appended element.
• It adds an element to the end of the list.

8.(not False) or (True and (False or not True))

• True
• False

for i in range(3):

print(i)

predict output?

• 0
  1
  2

• 0 1 2

• 0 1 2 3

• 0
  1
  2
  3

count = 0

while count < 5:

count += 1
what is the value of count now ?

• 5
• 4

• 6