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| Section | Objectives |
|---|---|
| Topic 1: File Handling and Exceptions | - Reading and writing files - Exception handling (try/except) |
| Topic 2: Data Structures | - Lists, tuples, dictionaries - Basic data manipulation |
| Topic 3: Python Programming Fundamentals | - Variables and data types - Syntax and basic structure - Operators and expressions |
| Topic 4: Debugging and Testing Basics | - Error identification and correction - Basic testing concepts |
| Topic 5: Introduction to Object-Oriented Programming | - Classes and objects - Basic OOP concepts |
| Topic 6: Control Flow | - Loops (for, while) - Conditional statements (if / elif / else) |
| Topic 7: Functions and Modularity | - Modules and imports - Function definition and scope |
>> Foundations-of-Programming-Python Latest Practice Questions <<
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NEW QUESTION # 43
Which Python data structure cannot be modified after creation?
Answer: C
Explanation:
Atupleis immutable, which means it cannot be changed after it is created.
Example:
coordinates = (10, 20)
After this tuple is created, its elements cannot be modified directly. Python's data model documentation explains that tuples are immutable, while lists and dictionaries are mutable.
Therefore, the correct answer isC. Tuple.
NEW QUESTION # 44
Fix the missing return statement in this function that should return whether a number is even.
def is_even(number):
if number % 2 == 0:
True
else:
False
Answer:
Explanation:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: The expression number % 2 == 0 checks whether the number is even.
Step 2: The original code writes True and False, but it does not return them.
Step 3: A function must use the return statement to send a value back to the caller.
Correct code:
def is_even(number):
if number % 2 == 0:
return True
else:
return False
Simplified correct code:
def is_even(number):
return number % 2 == 0
Example:
print(is_even(4))
print(is_even(7))
Output:
True
False
NEW QUESTION # 45
Complete the function get_dict_keys(data) that takes a dictionary and returns a list of all its keys.
For example, get_dict_keys({ " name " : " John " , " age " : 25}) should return [ " name " , " age " ].
def get_dict_keys(data):
# TODO: Return a list of all dictionary keys
pass
Answer:
Explanation:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: A dictionary stores data as key-value pairs.
Step 2: The .keys() method returns the dictionary's keys.
Step 3: To return the keys as a list, use list(data.keys()).
Correct code:
def get_dict_keys(data):
return list(data.keys())
Example:
print(get_dict_keys({ " name " : " John " , " age " : 25}))
Output:
[ ' name ' , ' age ' ]
NEW QUESTION # 46
Which components are required in every Python for loop?
Answer: D
Explanation:
A Python for loop is used to iterate over an iterable object, such as a list, tuple, string, dictionary, set, or range() object.
A basic for loop needs:
A loop variable
An iterable object
An indented code block
Example:
for number in range(3):
print(number)
In this example:
number is the loop variable.
range(3) is the iterable.
print(number) is the indented code block that runs during each loop iteration.
According to the official Python documentation, the for statement is a construct that works with iterable objects.
Therefore, the correct answer is A. A variable, an iterable, and an indented code block.
NEW QUESTION # 47
Which tool is used to execute Python code line-by-line interactively within a terminal?
Answer: A
Explanation:
The Python shell allows Python code to be entered and executed interactively, one line at a time.
Example:
> > > 2 + 3
5
Python's documentation explains that when commands are read from a terminal, the interpreter is in interactive mode and prompts for the next command.
Therefore, the correct answer isA. Python shell.
NEW QUESTION # 48
......
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