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Questions and Answers
What is a list in Python?
What is a list in Python?
- A fixed-size collection of elements of the same data type
- A sequence of values called items or elements, mutable in nature (correct)
- A dynamic collection of elements of different data types
- A sequence of values called items or elements, immutable in nature
How are elements in a list differentiated?
How are elements in a list differentiated?
- By a comma separator (correct)
- By a semicolon separator
- By a period separator
- By a colon separator
Which operator is used to access elements of a list in Python?
Which operator is used to access elements of a list in Python?
- dot operator
- index[] operator (correct)
- arrow operator
- at operator
What is the class that defines lists in Python?
What is the class that defines lists in Python?
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How can a programmer create an empty list object in Python?
How can a programmer create an empty list object in Python?
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Study Notes
Lists in Python
- A list is a data type in Python that is a collection of items that can be of any data type, including strings, integers, floats, and other lists.
- Elements in a list are differentiated by their index, which is a numerical value that starts at 0 for the first element and increments by 1 for each subsequent element.
Accessing Elements in a List
- The indexing operator
[]is used to access elements of a list in Python, where the index of the element is specified inside the brackets.
Definition of Lists
- The class that defines lists in Python is
list.
Creating an Empty List
- A programmer can create an empty list object in Python by using the
list()function or by using square brackets[]with no elements inside.
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