PYTHON MULTI CHOICE QUESTIONS 1a) What is the value of names after the following
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Question
PYTHON MULTI CHOICE QUESTIONS
1a) What is the value of names after the following code segment has run?
1b) What is the value of the variable indexValue after the following code snippet runs?
1c) Which statement(s) allows us to initialize the list numbers with 10 elements all set to zero?
1d) What is the resulting content of the list letters after this code snippet?
letters contains a list with the contents: ["a", "b", "c", "d", "e", "f", "g"]
letters contains a list with the contents: ["abcdefg"]
Invalid Type Error
letters contains a list with the contents: ("abcdefg")
1e) Which of the following code segments will result in values containing the list ["Hydrogen", "Helium", "Lithium"]?
1f) Lists are mutable. The elements of a list might be immutable types (like int, string, float).
-True
-False
1g) A list is a heterogeneous compound type, allowing elements of mixed types to be part of the same list object.
-True
-False
1h) Assume the following statement appears in a program:
Which of the following statements would you use to add the string 'Labrador' to the list at index 0?
['Ravi', 'Cy', 'Amy', 'Bob', 'Peg']
Explanation / Answer
1a) What is the value of names after the following code segment has run?
Answer:
['Ravi', 'Cy', 'Bob', 'Peg']
1b) What is the value of the variable indexValue after the following code snippet runs?
Answer:
It will throw an ValueError exception since Pennsylvania value not there in list
1c) Which statement(s) allows us to initialize the list numbers with 10 elements all set to zero?
Answer:
numbers = [0] * 10
1d) What is the resulting content of the list letters after this code snippet?
Answer:
letters contains a list with the contents: ["a", "b", "c", "d", "e", "f", "g"]
1e) Which of the following code segments will result in values containing the list ["Hydrogen", "Helium", "Lithium"]?
Answer:
values = []
values.append("Hydrogen")
values.append("Helium")
values.append("Lithium")
1f) Lists are mutable. The elements of a list might be immutable types (like int, string, float).
Answer:
True
1g) A list is a heterogeneous compound type, allowing elements of mixed types to be part of the same list object.
Answer:
True
1h) Assume the following statement appears in a program:
mylist = []
Which of the following statements would you use to add the string 'Labrador' to the list at index 0?
Answer:
mylist.append('Labrador')
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