Python Strings and Lists(12 adv Comp. Sci)

What method would you use to convert a string to lowercase in Python?

• .lower()

• .toLowerCase()

• lowercase()

• convertToLower()

How do you concatenate two strings in Python?

• Use the '&' operator to join strings.

• Call the concat() method on the string object.

• Use the '+' operator to concatenate strings.

• Use the '*' operator to concatenate strings.

What will be the output of the following code?

numbers = [10, 20, 30, 40, 50, 60, 70, 80]

print(numbers[2:6:2])

(Hint: ([start:stop:step])

• [30, 40, 50, 60]
  

• [30, 50]

• [20, 40, 60]

• [10, 30, 50, 70]

How can you find the length of a string in Python?

• Use string.length() to find the length.

• Use len(your_string) to get the length of a string.

• Use the size() function to get the length.

• Count the characters manually in a loop.

What will be the output of the following code?

numbers = [1, 2, 3, 4, 5]

print(numbers[::-1])

Hint([start:stop:step])

• [1, 2, 3, 4, 5]
  

• [5, 4, 3, 2, 1]

• None

• Error

How do you access the first element of a list in Python?

• my_list[0]

• get_first(my_list)

• my_list[1]

• my_list.first()

What method would you use to add an element to the end of a list?

• insert()

• add()

• push()

• append()

What will be the output of the following Python code?

my_list = [1, 2, 3, 4, 5]

my_list[1:4] = [10, 20, 30]

my_list.append(40)

print(my_list)

• [1, 10, 20, 30, 5, 40]

• [1, 10, 20, 30, 4, 5, 40]

• [1, 10, 20, 30, 40]

• [1, 10, 20, 30, 5]

Which of the following correctly adds "grape" to the end of the list?

• fruits.append("grape")
  

• fruits.add("grape")

• fruits.insert("grape")

• fruits[3] = "grape"

What will be the output of the following code?

s = "12"

s = s * 2

s = int(s) + 10

print(s)

• 34

  
  

• 1202

• 1222

• 2400