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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Functions and Modular Programming | 20% | - Parameters, arguments, and return values - Variable scope and code reuse - Defining and calling functions |
| Topic 2: Data Structures and Input/Output | 20% | - Basic file handling - User input and output operations - Lists, tuples, dictionaries, sets |
| Topic 3: Variables, Data Types, and Basic Operations | 20% | - Arithmetic operations and type conversion - Variables and assignment - Data types: integers, floats, strings, booleans |
| Topic 4: Loops and Iteration | 20% | - Break, continue, and pass statements - For loops and while loops - Iterating over sequences |
| Topic 5: Control Flow and Decision Making | 20% | - If, elif, else statements - Comparisons and logical operators - Conditional expressions |
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질문 # 58
Which Python data structure allows duplicate values and supports methods like append() and remove()?
정답：B
설명：
A list is a Python data structure that can store multiple values. Lists can contain duplicate values, and they support methods such as append() and remove().
Example:
fruits = [ " apple " , " banana " , " apple " ]
fruits.append( " orange " )
fruits.remove( " banana " )
print(fruits)
Output:
[ ' apple ' , ' apple ' , ' orange ' ]
The value " apple " appears more than once, showing that lists allow duplicates.
The official Python documentation lists list.append() as a method that adds an item to the end of a list and list.
remove() as a method that removes the first matching value from a list.
Therefore, the correct answer is C. List.
질문 # 59
Write a complete function convert_temperature(celsius) that converts Celsius to Fahrenheit using the formula:
F = C * 9/5 + 32.
For example, convert_temperature(0) should return 32.0.
def convert_temperature(celsius):
# TODO: Convert Celsius to Fahrenheit using F = C * 9/5 + 32
pass
정답：
설명：
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: The function receives one parameter named celsius.
Step 2: Use the formula:
F = C * 9 / 5 + 32
Step 3: Return the converted Fahrenheit value.
Correct code:
def convert_temperature(celsius):
return celsius * 9 / 5 + 32
Example:
print(convert_temperature(0))
Output:
32.0
질문 # 60
Write a complete function calculate_average(grades) that takes a list of grades and returns the average as a float.
For example, calculate_average([85, 92, 78]) should return 85.0.
def calculate_average(grades):
# TODO: Calculate and return the average grade as a float
pass
정답：
설명：
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: The function receives one parameter named grades, which is a list of numbers.
Step 2: Use sum(grades) to add all the grades together.
Step 3: Use len(grades) to count how many grades are in the list.
Step 4: Divide the total by the number of grades.
Correct code:
def calculate_average(grades):
return sum(grades) / len(grades)
Example:
print(calculate_average([85, 92, 78]))
Output:
85.0
질문 # 61
What does the string method ' ' .join() return when applied to the list [ ' Hello ' , ' World ' ]?
정답：C
질문 # 62
Which index position is returned when the string method .find( ' python ' ) is applied to the string ' learning python programming ' ?
정답：B
설명：
The .find() method returns the lowest index where the searched substring is found.
Example:
" learning python programming " .find( " python " )
Output:
9
Indexing starts at 0 in Python. In the string ' learning python programming ' , the word ' python ' begins at index 9. Python's built-in types documentation describes str.find() as returning the lowest index where the substring is found.
Therefore, the correct answer isB. 9.
질문 # 63
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