Python Programming Quiz

Function reverse characters in a string. Returns new string in reverse order.

Def reverse_name(backward_name)-1 

Foward_name = “” 

Length = backward_name: 

    len(back=ward_name)-1 

    range(0,len(backward_name)-1) 

    range(len(backward_name)-1,-1,-1) 

While length >=0: 

• Foward_name += backward_name[index] 

•    backward_name[length]

•    backward_name[length+1]

     range(len(backward_name)-1,-1,-1) 

•         backward_name[len(backward_name)-len(foward_name)] 

You are building a Python program that displays all prime numbers from 2 to 100 (A prime number is any number that is divisible only by itself and 1.) Complete the code by moving the appropriate code segments from the list on the left to the correct location on the right.

• continue

• p = 2

• is_prime = True

• break

• p = p + 1

You write the following code to determine a student's final grade based on their current grade (grade) and rank (rank):

grade = 76 rank = 3

If grade > 80 and rank >=# Grade += 10

elif grade >= 70 and rank >3:

grade += 5

else: grade -= 5 print(grade)

What value will print?

• 71

• 76

• 81

• 86

Review the following code:

x = "oranges"

y = "apples"

z = "bananas"

data = "{1} and {0} and {2}"

print (data.format(z, y, x))

What is the output of the print statement?

• apples and bananas and oranges

• apples and oranges, and bananas

• oranges and apples and bananas

• bananas and oranges and apples

You are writing a function that increments the player score in a game. The function has the following requirements: If no value is specified for points start at one. If bonus is True, then points must be doubled. You write the following code. Line numbers are included for reference only.

01 def increment_score(score, bonus, points):

02 if bonus == True:

03 points = points * 2

04 score = score + points

05 return score

06 points = 5

07 score = 10 08

new_score = increment_score(score, True, points)

For each statement select True or False.

Note: You will receive partial credit for each correct selection. 

• To meet the requirements, you must change line 01 to: def increment_score(score, bonus, points = 1):    

• FIf you do not change line 01 and the function is called with only two parameters, the value of the third parameter will be None. 

• Line 03 will also modify the value of the variable points declared at line 06. 

You write the following function to read a data file and print each line of the file. Line numbers are included for reference only.

01 def read_file(file):

02 line = None

03 if os.path.isfile(file):

04 data = open(file, 'r')

05 for data line in data:

06 print(line)

When you run the program, you receive an error on line 03. What is causing the error?

• The isfile method does not accept one parameter.

• You need to import the os library.

• The isfile method does not exist in the path object.

• The path method does not exist in the os object.

You are converting an existing application to Python. You need to correctly code all arithmetic expressions. What is the correct order of operations for the six classes of operations in order of precedence from first to the last.

• • Parentheses

  • Exponents

  • Unary positive, negative, not

  • Multiplication and Division

  • Addition and Subtraction

  • And

• Addition and Subtraction → Multiplication and Division → Exponents → Parentheses → Unary positive, negative, not → And

• And → Exponents → Parentheses → Addition and Subtraction → Unary positive, negative, not → Multiplication and Division

• Exponents 

• Parentheses 

The following function calculates the value of an expression that uses an exponent. Line numbers are included for reference only. 01 def calc_power

02 return a**b

03 base = input ("Enter the number for the base: ")

04 exponent = input ("Enter the number for the exponent: ")

05 result = calc_power(base, exponent)

06 print("The result is " + result)

For each statement select TRUE or FALSE.

ANSWER AREA 

The code will generate an error in line 03 and line 04 

The code will generate an error in line 02 and line 05 

The code will correctly output data to the console 

You are creating a program that accepts user input. The program must cast the input into an integer and properly handle the error if it cannot do so. Complete the code by selecting the correct code segment from each drop-down list.

You develop a Python application for your company. You want to add notes to your code so other team members will understand it. What should you do?

• Place the notes after// on any line.

• Place the notes within/* and * /in any code segment.

• Place the notes after a on any time.

• Place the notes within in any code segment.