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| Section | Objectives |
|---|---|
| File Handling and Exceptions | - Custom Exceptions - Reading and Writing Files - Exception Handling (try, except, finally) |
| Testing and Debugging | - Debugging Techniques - Trace Errors - Unit Testing Concepts |
| Object-Oriented Programming | - Inheritance - Attributes and Methods - Classes and Objects - Constructors (__init__) - Encapsulation |
| Data Structures | - Tuples - Sets - Lists and List Operations - Dictionaries - String Manipulation |
| Python Fundamentals | - Input/Output Operations - Operators and Expressions - Variables and Data Types - Type Conversion |
| Functions | - Scope (local and global) - Function Definition and Call - Return Values - Parameters and Arguments - Recursion |
| Control Structures | - Nested Conditionals and Loops - Loops (for, while) - Conditional Statements (if, elif, else) - Loop Control (break, continue, pass) |
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NEW QUESTION # 36
Which action allows a Python script located in a different folder to be executed in the terminal?
Answer: B
Explanation:
To run a Python script from the terminal, the terminal should be in the correct directory, or the full file path should be provided.
The cd command is commonly used to change directories before running the script.
Example:
cd Documents
python my_script.py
Python's documentation explains that Python can execute a script when the interpreter is called with a filename argument.
Therefore, the correct answer isC. Use the cd command to navigate to the script ' s directory.
NEW QUESTION # 37
Write a complete function password_strength(password) that returns " Strong " if the password is at least 8 characters long and contains both letters and numbers, " Weak " otherwise.
For example, password_strength( " abc123def " ) should return " Strong " .
def password_strength(password):
# TODO: Return " Strong " or " Weak " based on password criteria
if len(password) < 8:
return " Weak "
has_letter = False
has_number = False
for char in password:
if char.isalpha():
has_letter = True
elif char.isdigit():
has_number = True
# TODO: Add your return logic here based on has_letter and has_number
pass
Answer:
Explanation:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: First, check the password length using len(password).
Step 2: If the password has fewer than 8 characters, return " Weak " immediately.
Step 3: Create two Boolean variables: has_letter and has_number.
Step 4: Loop through each character in the password.
Step 5: Use .isalpha() to check for letters and .isdigit() to check for numbers.
Step 6: If the password contains both at least one letter and at least one number, return " Strong " .
Step 7: Otherwise, return " Weak " .
Correct code:
def password_strength(password):
if len(password) < 8:
return " Weak "
has_letter = False
has_number = False
for char in password:
if char.isalpha():
has_letter = True
elif char.isdigit():
has_number = True
if has_letter and has_number:
return " Strong "
else:
return " Weak "
Example:
print(password_strength( " abc123def " ))
print(password_strength( " abcdefgh " ))
print(password_strength( " 12345678 " ))
Output:
Strong
Weak
Weak
NEW QUESTION # 38
Complete the function add_item(numeric_list, new_number) that takes a list of numbers and a new number, and returns a new list that appends the new number to the end of the list.
For example, add_item([1, 2, 3], 4) should return [1, 2, 3, 4] .
Answer: C
Explanation:
The correct function uses the list method append() to add new_number to the end of numeric_list.
Correct code:
def add_item(numeric_list, new_number):
numeric_list.append(new_number)
return numeric_list
Example:
add_item([1, 2, 3], 4)
Result:
[1, 2, 3, 4]
Python's data structures documentation explains that list.append(x) adds an item to the end of the list.
Therefore, the correct answer isA.
NEW QUESTION # 39
How does Jupyter Notebook function as a development environment?
Answer: B
Explanation:
Jupyter Notebook works as acell-based interactive coding platform. A notebook is made up of cells, and code can be written and executed inside those cells.
For example, a code cell may contain:
x = 10
print(x)
When the cell is run, the output appears directly below the cell.
The Jupyter Notebook documentation explains that notebooks consist of a sequence of cells, and the contents of a cell can be executed using keyboard shortcuts or the toolbar button.
Jupyter Notebook is not simply a command-line terminal replacement, not limited to static text editing, and not mainly a framework for compiling Python into standalone applications.
Therefore, the correct answer isB. Cell-based interactive coding platform.
NEW QUESTION # 40
A program needs to update all values in a list by adding 5 to each number. Which for loop structure accomplishes this task?
Answer: B
Explanation:
To update the actual values inside a list, the program must update each value by itsindex.
The correct code is:
for i in range(len(numbers)):
numbers[i] = numbers[i] + 5
Here, range(len(numbers)) produces valid index positions for the list. The variable i is used to access and update each list element.
Example:
numbers = [10, 20, 30]
for i in range(len(numbers)):
numbers[i] = numbers[i] + 5
print(numbers)
Output:
[15, 25, 35]
Option A does not correctly update the original list:
for number in numbers:
number = number + 5
This changes only the temporary loop variable number, not the actual elements stored inside the list.
Therefore, the correct answer isB.
NEW QUESTION # 41
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