Exam for engine

NEW QUESTION 27
A program needs to display only positive, non-zero numbers from a list containing a mixture of integer and decimal values. Which conditional statement should be placed inside the loop?

NEW QUESTION 28
Write a complete function reverse_string(text) that takes a string and returns it reversed.
For example, reverse_string( ” hello ” ) should return ” olleh ” .
def reverse_string(text):
# TODO: Return the reversed string
pass

NEW QUESTION 29
What sequence of steps is required to execute a Python script from a text editor using the terminal on a Windows device?

NEW QUESTION 30
Write a complete function convert_temperature(celsius) that converts Celsius to Fahrenheit using the formula:
F = C * 9/5 + 32.
For example, convert_temperature(0) should return 32.0.
def convert_temperature(celsius):
# TODO: Convert Celsius to Fahrenheit using F = C * 9/5 + 32
pass

NEW QUESTION 31
Which Python data structure cannot be modified after creation?

NEW QUESTION 32
In Python, what must follow the in keyword in a for loop?

NEW QUESTION 33
Fix the off-by-one error in this function that should return the first 3 characters of a string.
def first_three(text):
return text[0:2]

NEW QUESTION 34
What advantage does an integrated terminal provide compared to using a separate terminal application?

NEW QUESTION 35
What happens when the command python is entered in a terminal without a filename?

NEW QUESTION 36
Which terminal command is used to navigate to a different directory before running a Python script?

NEW QUESTION 37
Write a complete function word_count(text) that counts and returns the number of words in the given text.
Words are separated by spaces.
For example, word_count( ” Hello world Python ” ) should return 3.
def word_count(text):
# TODO: Count and return the number of words in text
pass

NEW QUESTION 38
In the code for item in my_list:, what does item represent?

NEW QUESTION 39
Which loop structure processes every individual item in a list called grades?

NEW QUESTION 40
What must be consistent within a Python code block for the code to run without syntax errors?

NEW QUESTION 41
Which data type is the value 3.14 in Python?

NEW QUESTION 42
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}.

NEW QUESTION 43
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

NEW QUESTION 44
What determines which lines of code are executed when the condition is true in a Python if statement?

NEW QUESTION 45
Which keyword moves a loop immediately to its subsequent iteration?

NEW QUESTION 46
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

NEW QUESTION 47
Which Python data structure automatically prevents duplicate values from being stored?

NEW QUESTION 48
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?