Mastering Python Strings (12A-B IT ESSENTIALS)

What will be the output of the following Python code?

lst = [3, 6, 9, 12]

lst.append(lst[2] * 2)

print(lst)

• [3, 6, 9, 12, 12]
  

• [3, 6, 9, 12, 18]

• [3, 6, 9, 12, 6]

• [3, 6, 9, 12, 24]

How do you format a string using f-strings in Python?

• Use f'string {variable}' to format a string with variables.

• Use 'string {variable}' without f prefix.

• Format strings with 'format()' method instead.

• Concatenate variables using '+' operator.

What will be the output of the following Python code?

list1 = [1, 2, 3]

list2 = list1

list2.append(4)

print(list1)

• [1, 2, 3]

• [1, 2, 3, 4]

• TypeError

• [4, 1, 2, 3]

Which method would you use to convert a string to Uppercase?

• .lowercase()

• .convertToLower()

• .upper()

• .toLowerCase()

What will be the output of the following code?

x = "7.5"

y = int(float(x))

print(y, type(y))

• 7.5 <class 'int'>

• 7 <class 'int'>

• 7.5 <class 'float'>

• TypeError

How can you slice the string 'Programming' to get 'program'?

• print(x[2:7])

• print(x[0:7])

• print(x[3:8])

• print(x[-4:])

What will be the output of the following Python code?

x = 10 % 5

y = 10 // 3

z = x + y * 2

print(z)

• 9

• 8

• 6

• 5

What will be the output of the following Python code?

letters = ["a", "b", "c", "d", "e", "f"]

print(letters[:3] + letters[-4:])

• ["a", "b", "c", "d", "e", "f"]
  

• ["a", "b", "c", "e", "f"]

• ["a", "b", "c", "f"]

• ["a", "b", "c", "c", d", "e", "f"]

What will be the result of Shutter'.replace('t', 'd')?

• Shutter

• Shut

• Shudder

• Shuder

What will be the output of the following Python code?

s = "HelloWorld"

result = s[:5].lower() + s[5:].upper()

print(result)

• hellowORLD

• helloWORLD

• HELLOworld

• HELLOWORLD