Foundations-of-Programming-Python Zertifizierungsprüfung, Foundations-of-Programming-Python Prüfungsvorbereitung

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

Section	Weight	Objectives
Topic 1: Functions and Modular Programming	20%	- Defining and calling functions - Variable scope and code reuse - Parameters, arguments, and return values
Topic 2: Variables, Data Types, and Basic Operations	20%	- Variables and assignment - Arithmetic operations and type conversion - Data types: integers, floats, strings, booleans
Topic 3: Data Structures and Input/Output	20%	- Basic file handling - User input and output operations - Lists, tuples, dictionaries, sets
Topic 4: Control Flow and Decision Making	20%	- Conditional expressions - If, elif, else statements - Comparisons and logical operators
Topic 5: Loops and Iteration	20%	- Iterating over sequences - Break, continue, and pass statements - For loops and while loops

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WGU Foundations-of-Programming-Python: Foundations of Programming (Python) - E010 JIV1 braindumps PDF & Testking echter Test

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WGU Foundations of Programming (Python) - E010 JIV1 Foundations-of-Programming-Python Prüfungsfragen mit Lösungen (Q47-Q52):

47. Frage
Write a complete function calculate_average(grades) that takes a list of grades and returns the average as a float.
For example, calculate_average([85, 92, 78]) should return 85.0.
def calculate_average(grades):
# TODO: Calculate and return the average grade as a float
pass

Antwort:

Begründung:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: The function receives one parameter named grades, which is a list of numbers.
Step 2: Use sum(grades) to add all the grades together.
Step 3: Use len(grades) to count how many grades are in the list.
Step 4: Divide the total by the number of grades.
Correct code:
def calculate_average(grades):
return sum(grades) / len(grades)
Example:
print(calculate_average([85, 92, 78]))
Output:
85.0

48. Frage
Complete the function update_grade(grades, student, new_grade) that takes a grades dictionary, a student name, and a new grade, then updates that student ' s grade and returns the dictionary.
For example, update_grade({ " Alice " : 85, " Bob " : 90}, " Alice " , 95) should return { " Alice " : 95, " Bob
" : 90}.

A. def update_grade(grades, student, new_grade):pass
B. def update_grade(grades, student, new_grade):grades[student] = new_gradereturn grades
C. def update_grade(grades, student, new_grade):grades.append(new_grade)return grades
D. def update_grade(grades, student, new_grade):student = new_gradereturn student

Antwort: B

Begründung:
A dictionary stores data as key-value pairs. In this function, the student name is the key, and the grade is the value.
Correct code:
def update_grade(grades, student, new_grade):
grades[student] = new_grade
return grades
Example:
update_grade({ " Alice " : 85, " Bob " : 90}, " Alice " , 95)
Result:
{ " Alice " : 95, " Bob " : 90}
Python's built-in types documentation includes dictionaries as mapping types, where values are accessed and updated using keys.
Therefore, the correct answer isA.

49. Frage
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] .

A. def add_item(numeric_list, new_number):return new_number
B. def add_item(numeric_list, new_number):pass
C. def add_item(numeric_list, new_number):numeric_list.append(new_number)return numeric_list
D. def add_item(numeric_list, new_number):numeric_list.remove(new_number)return numeric_list

Antwort: C

Begründung:
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.

50. Frage
Which Python data structure cannot be modified after creation?

A. Dictionary
B. Set
C. Tuple
D. List

Antwort: C

Begründung:
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.

51. Frage
Complete the function get_second_item(items) that takes a list and returns the second item. Assume the input is always a list containing at least two elements.
For example, get_second_item([10, 20, 30]) should return 20.
def get_second_item(items):
# TODO: Return the second item from the list
pass

Antwort:

Begründung:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: Python list indexing starts at 0.
Step 2: The first item is at index 0.
Step 3: The second item is at index 1.
Step 4: Return the value at index 1.
Correct code:
def get_second_item(items):
return items[1]
Example:
print(get_second_item([10, 20, 30]))
Output:
20

52. Frage
......

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