30 Questions
What is the primary purpose of assigning a variable name to a memory location?
To make it easier to access or modify the data
Which of the following is NOT a restriction for naming variables in Python?
Variable names can contain special characters
What is the recommended practice for naming variables in Python?
Using small letters to differentiate from reserved words and Constants
How can multiple values be assigned to multiple variables in Python?
Using the equal sign (=) with multiple values on the right-hand side
What is the purpose of the underscore in a variable name?
To separate two words used together in a variable name
Can variables in Python be declared without specifying their data type?
Yes, variables can be declared without specifying their data type
What is the order of evaluation when operators have the same priority in an expression?
From left to right in the order they appear
What is the purpose of using parentheses in an expression?
To change the order of operator precedence
What is the role of control structures in a programming language?
To direct the execution of a program
What happens when operators have different priorities in an expression?
The higher priority operators are evaluated first
What is the benefit of using parentheses when the operator precedence is not clear?
To avoid confusion
How do nested parentheses affect the evaluation of an expression?
The innermost parentheses are evaluated first
What is the purpose of string methods in Python?
To manipulate strings in various ways
What operator is used to concatenate strings in Python?
What is the data type of the variable when a numeric value is assigned to it in Python?
It is automatically created by Python
What is the characteristic of integer numbers in Python?
They can be positive or negative without decimal points
What is the purpose of the int() function in Python?
To convert a string to an integer
What is the limitation of the length of integers in Python?
There is no limitation
What is the purpose of the hash symbol # in Python?
To create comments
What is the result of the operation 10 // 3 in Python?
3
What is the primary reason why we cannot perform update functions on Tuples?
Because Tuples are immutable
What is the purpose of the update() method in Sets?
To add more than one item to a Set
What is the difference between int(x) and float(x) in Python?
int(x) converts to an integer, while float(x) converts to a float
What is the result of the operation 10 % 3 in Python?
1
What is a characteristic of Dictionaries that distinguishes them from other data structures?
They do not allow duplicates and are unordered
What is the result of trying to access an item in a Set using an index?
You will get an error because Sets are unordered and unindexed
What is the purpose of the abs() function in Python?
To calculate the absolute value of a number
What is the difference between integers and real numbers in Python?
Integers are written as a sequence of digits, while real numbers are written in decimal form
What is the purpose of the len() method when used with a Tuple?
To check the length of a Tuple
What is the difference between the add() and update() methods in Sets?
The add() method adds a single item, while the update() method adds multiple items
Learn about variables, constants, and literals in Python, including how to declare and use them in your code. Understand how to assign and change values, and how variables make it easier to access and modify data.
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