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| Section | Objectives |
|---|---|
| Functions | - Scope (local and global) - Function Definition and Call - Parameters and Arguments - Return Values - Recursion |
| Python Fundamentals | - Variables and Data Types - Input/Output Operations - Operators and Expressions - Type Conversion |
| Testing and Debugging | - Debugging Techniques - Unit Testing Concepts - Trace Errors |
| Object-Oriented Programming | - Inheritance - Constructors (__init__) - Attributes and Methods - Encapsulation - Classes and Objects |
| Data Structures | - Lists and List Operations - Sets - Dictionaries - String Manipulation - Tuples |
| Control Structures | - Loops (for, while) - Nested Conditionals and Loops - Conditional Statements (if, elif, else) - Loop Control (break, continue, pass) |
| File Handling and Exceptions | - Exception Handling (try, except, finally) - Custom Exceptions - Reading and Writing Files |
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NEW QUESTION # 56
Complete the function is_positive(number) that returns True if the number is greater than 0, and False otherwise.
def is_positive(number):
# TODO: Return True if number > 0, False otherwise
pass
Answer:
Explanation:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: The function receives one parameter named number.
Step 2: The condition number > 0 checks whether the number is positive.
Step 3: In Python, this comparison already returns either True or False.
Correct code:
def is_positive(number):
return number > 0
Example:
print(is_positive(5))
print(is_positive(-2))
print(is_positive(0))
Output:
True
False
False
NEW QUESTION # 57
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 # 58
What does the string method ' ' .join() return when applied to the list [ ' Hello ' , ' World ' ]?
Answer: B
NEW QUESTION # 59
Which Python data structure allows duplicate values and supports methods like append() and remove()?
Answer: D
Explanation:
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.
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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