Foundations-of-Programming-Python最新な問題集｜Foundations of Programming (Python) - E010 JIV1簡単に合格｜今すぐダウンロード

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WGU Foundations-of-Programming-Python Exam Syllabus Topics:

Section	Weight	Objectives
Loops and Iteration	20%	- Break, continue, and pass statements - For loops and while loops - Iterating over sequences
Functions and Modular Programming	20%	- Parameters, arguments, and return values - Defining and calling functions - Variable scope and code reuse
Data Structures and Input/Output	20%	- User input and output operations - Basic file handling - Lists, tuples, dictionaries, sets
Control Flow and Decision Making	20%	- Conditional expressions - If, elif, else statements - Comparisons and logical operators
Variables, Data Types, and Basic Operations	20%	- Data types: integers, floats, strings, booleans - Variables and assignment - Arithmetic operations and type conversion

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WGU Foundations of Programming (Python) - E010 JIV1 認定 Foundations-of-Programming-Python 試験問題 (Q43-Q48):

質問 # 43
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?

A. The variable should be named differently.
B. The condition should use > = instead of > .
C. There is a missing colon after the condition.
D. It runs infinitely because count is never modified.

正解：D

解説：
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.

質問 # 44
Write a complete function calculate_discount(price, discount_percent) that calculates and returns the final price after applying a discount percentage.
For example, calculate_discount(75, 20) should return 60.0.
def calculate_discount(price, discount_percent):
# TODO: Calculate and return the final price after discount
pass

正解：

解説：
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: The function receives the original price and the discount_percent.
Step 2: Convert the discount percentage into a decimal by dividing by 100.
Step 3: Subtract the discount from 1 to find the remaining price percentage.
Step 4: Multiply the original price by the remaining percentage.
Correct code:
def calculate_discount(price, discount_percent):
return price * (1 - discount_percent / 100)
Example:
print(calculate_discount(75, 20))
Output:
60.0

質問 # 45
A dictionary prices = { ' apple ' : 1.50, ' banana ' : 0.75, ' orange ' : 2.00} needs to have all values increased by
0.25. Which code correctly accomplishes this task?

A. for item in prices:prices[item] = prices[item] + 0.25
B. for prices in item:prices = prices + 0.25
C. for value in prices:value = value + 0.25

正解：A

解説：
In Python, iterating directly over a dictionary gives itskeys. In this dictionary, the keys are:
' apple '
' banana '
' orange '
To update each price, the program can loop through each key and use that key to access and change the corresponding value.
Correct code:
prices = { ' apple ' : 1.50, ' banana ' : 0.75, ' orange ' : 2.00}
for item in prices:
prices[item] = prices[ item] + 0.25
print(prices)
Output:
{ ' apple ' : 1.75, ' banana ' : 1.0, ' orange ' : 2.25}
Option B is incorrect because value actually receives each dictionary key, not each dictionary value. Also, assigning to value would not update the dictionary.
Option C is incorrect because item is not defined, and the loop structure is invalid for this task.

質問 # 46
What does the string method ' ' .join() return when applied to the list [ ' Hello ' , ' World ' ]?

A. ' Hello World '
B. ' Hello,World '
C. ' HelloWorld '
D. ' Hello, World '

正解：C

質問 # 47
Which data type is the value 3.14 in Python?

A. String
B. Boolean
C. Float
D. Integer

正解：C

解説：
The value 3.14 is afloatbecause it contains a decimal point.
Example:
type(3.14)
This returns:
< class ' float ' >
Python's built-in numeric types include integers and floating-point numbers. A value with a decimal part, such as 3.14, is treated as a floating-point number.
Therefore, the correct answer isB. Float.

質問 # 48
......

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