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| Section | Objectives |
|---|---|
| Topic 1: Functions | - Recursion - Scope (local and global) - Function Definition and Call - Parameters and Arguments - Return Values |
| Topic 2: Control Structures | - Loops (for, while) - Conditional Statements (if, elif, else) - Nested Conditionals and Loops - Loop Control (break, continue, pass) |
| Topic 3: Python Fundamentals | - Type Conversion - Input/Output Operations - Variables and Data Types - Operators and Expressions |
| Topic 4: Testing and Debugging | - Trace Errors - Debugging Techniques - Unit Testing Concepts |
| Topic 5: Object-Oriented Programming | - Inheritance - Encapsulation - Constructors (__init__) - Attributes and Methods - Classes and Objects |
| Topic 6: File Handling and Exceptions | - Custom Exceptions - Exception Handling (try, except, finally) - Reading and Writing Files |
| Topic 7: Data Structures | - Lists and List Operations - Dictionaries - String Manipulation - Sets - Tuples |
>> Foundations-of-Programming-Python덤프샘플문제 <<
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질문 # 46
Which loop structure processes every individual item in a list called grades?
정답：A
설명：
The loop:
for grade in grades:
print(grade)
processes every individual item in the list grades.
The variable grade represents the current item being processed. Python's documentation explains that a for statement iterates over the items of a sequence in order.
Therefore, the correct answer isB. for grade in grades:.
질문 # 47
Fix the indentation error in this function that should return a greeting message.
def greet(name):
return " Hello " + name
정답：
설명：
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: In Python, the code inside a function must be indented.
Step 2: The return statement belongs inside the function body.
Step 3: Add indentation before the return statement.
Correct code:
def greet(name):
return " Hello " + name
Example:
print(greet( " Alice " ))
Output:
Hello Alice
질문 # 48
Fix the logic error in this function that should return the larger of two numbers.
def find_maximum(a, b):
if a < b:
return a
else:
return b
정답：
설명：
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: The function should return the larger number.
Step 2: The condition a < b means b is larger than a.
Step 3: In the original code, when a < b is true, it incorrectly returns a.
Step 4: The return values need to be corrected.
Correct code:
def find_maximum(a, b):
if a < b:
return b
else:
return a
Alternative correct code:
def find_maximum(a, b):
if a > b:
return a
else:
return b
Example:
print(find_maximum(10, 20))
print(find_maximum(30, 15))
Output:
20
30
질문 # 49
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
정답：
설명：
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
질문 # 50
Which keyword is used to exit a loop prematurely in Python?
정답：D
설명：
The break keyword exits a loop immediately before the loop condition naturally becomes false or before all items have been processed.
Example:
for number in range(10):
if number == 5:
break
print(number)
When number becomes 5, the loop stops. Python's control-flow documentation explains the use of break in loops.
Therefore, the correct answer isB. break.
질문 # 51
......
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