What is a variable in programming?
Data Science and Machine Learning (Theory and Projects) A to Z - Variable and Operator: Variables

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A function that performs operations
A fixed value that cannot change
A symbol that stores data for later use
A type of data structure
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about integers in Python?
They do not have decimal expansions
They are always positive
They can have decimal points
They are stored as strings
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does dynamic typing in Python mean?
Python does not support dynamic typing
You must declare variable types explicitly
Variables cannot change types
Variable types are determined at runtime
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What symbol is commonly used for assignment in Python?
->
==
:=
=
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to use descriptive names for variables?
To increase readability and manageability
To make the code run faster
To avoid syntax errors
To reduce memory usage
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a floating point number in Python?
'5'
5j
5.0
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a complex number in Python?
A number with a real and imaginary part
A number stored as a string
A number with only a real part
A number with only an imaginary part
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