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| Section | Objectives |
|---|---|
| Object-Oriented Programming | - Inheritance - Attributes and Methods - Classes and Objects - Constructors (__init__) - Encapsulation |
| File Handling and Exceptions | - Exception Handling (try, except, finally) - Reading and Writing Files - Custom Exceptions |
| Functions | - Parameters and Arguments - Recursion - Function Definition and Call - Scope (local and global) - Return Values |
| Testing and Debugging | - Unit Testing Concepts - Trace Errors - Debugging Techniques |
| Data Structures | - Dictionaries - Tuples - Sets - String Manipulation - Lists and List Operations |
| Control Structures | - Loops (for, while) - Loop Control (break, continue, pass) - Conditional Statements (if, elif, else) - Nested Conditionals and Loops |
| Python Fundamentals | - Input/Output Operations - Variables and Data Types - Type Conversion - Operators and Expressions |
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NEW QUESTION # 60
Write a complete function calculate_discount(price, discount_percent) that calculates and returns the final price after applying a discount percentage.
For example, calculate_discount(75, 20) should return 60.0.
def calculate_discount(price, discount_percent):
# TODO: Calculate and return the final price after discount
pass
Answer:
Explanation:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: The function receives the original price and the discount_percent.
Step 2: Convert the discount percentage into a decimal by dividing by 100.
Step 3: Subtract the discount from 1 to find the remaining price percentage.
Step 4: Multiply the original price by the remaining percentage.
Correct code:
def calculate_discount(price, discount_percent):
return price * (1 - discount_percent / 100)
Example:
print(calculate_discount(75, 20))
Output:
60.0
NEW QUESTION # 61
What does the string method ' ' .join() return when applied to the list [ ' Hello ' , ' World ' ]?
Answer: C
Explanation:
The string method join() combines the strings in an iterable using the string before .join() as the separator.
In this question, the separator is an empty string:
' ' .join([ ' Hello ' , ' World ' ])
Because the separator is empty, Python joins ' Hello ' and ' World ' directly together with no space or comma between them.
Result:
' HelloWorld '
The official Python documentation defines str.join() as returning a string made by joining the strings in the given iterable.
Therefore, the correct answer is B. ' HelloWorld ' .
NEW QUESTION # 62
What must be consistent within a Python code block for the code to run without syntax errors?
Answer: A
Explanation:
In Python, indentation is used to group statements into a code block. A block must have a consistent indentation level so Python can correctly understand which statements belong together.
For example:
if True:
print( " Hello " )
print( " World " )
Both print() statements belong to the same if block because they use the same indentation level.
If indentation is inconsistent, Python can raise an IndentationError or TabError.
Therefore, the correct answer isB. Indentation level.
NEW QUESTION # 63
Which Python data structure automatically prevents duplicate values from being stored?
Answer: A
Explanation:
Asetstores only unique elements. If duplicate values are added, Python keeps only one copy.
Example:
numbers = {1, 2, 2, 3}
print(numbers)
Output:
{1, 2, 3}
Python's data structures documentation describes sets as collections with no duplicate elements.
Therefore, the correct answer isD. Set.
NEW QUESTION # 64
Which components are required in every Python while loop?
Answer: B
Explanation:
A Python while loop needs a condition and an indented code block.
Example:
count = 1
while count < = 3:
print(count)
count += 1
The condition is count < = 3. The indented block contains the code that runs while the condition is true.
Python's compound statement documentation includes while as a control-flow statement.
Therefore, the correct answer isA. A condition and an indented code block.
NEW QUESTION # 65
......
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