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| Section | Objectives |
|---|---|
| File Handling and Exceptions | - Exception handling (try/except) - Reading and writing files |
| Functions and Modularity | - Function definition and scope - Modules and imports |
| Control Flow | - Conditional statements (if / elif / else) - Loops (for, while) |
| Python Programming Fundamentals | - Operators and expressions - Syntax and basic structure - Variables and data types |
| Debugging and Testing Basics | - Basic testing concepts - Error identification and correction |
| Introduction to Object-Oriented Programming | - Basic OOP concepts - Classes and objects |
| Data Structures | - Basic data manipulation - Lists, tuples, dictionaries |
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NEW QUESTION # 56
In the code for item in my_list:, what does item represent?
Answer: B
NEW QUESTION # 57
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 # 58
What does the string method ' ' .join() return when applied to the list [ ' Hello ' , ' World ' ]?
Answer: D
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 # 59
A program uses this while loop to count down:
count = 5
while count > 0:
print(count)
Which issue is preventing the loop from working correctly?
Answer: D
Explanation:
The loop condition is:
while count > 0:
At the start, count is 5, so the condition is true. The program prints the value of count.
However, inside the loop, the value of count is never changed. That means count always stays 5, so the condition count > 0 is always true. As a result, the loop runs forever.
A corrected version would be:
count = 5
while count > 0:
print(count)
count = count - 1
This decreases count by 1 during each loop iteration. Eventually, count becomes 0, and the condition count >
0 becomes false.
Therefore, the correct answer isB. It runs infinitely because count is never modified.
NEW QUESTION # 60
Complete the function get_max(a, b) that returns the larger of two numbers. If they are equal, return either one.
def get_max(a, b):
# TODO: Return the larger of a and b
pass
Answer:
Explanation:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: The function receives two parameters: a and b.
Step 2: Compare the two values using an if statement.
Step 3: If a is greater than or equal to b, return a.
Step 4: Otherwise, return b.
Correct code:
def get_max(a, b):
if a > = b:
return a
else:
return b
Simplified correct code:
def get_max(a, b):
return max(a, b)
Example:
print(get_max(10, 20))
print(get_max(30, 15))
print(get_max(5, 5))
Output:
20
30
5
NEW QUESTION # 61
......
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