PYTHON CERT REVIEWER

You are writing a Python program. The program collects customer data and stores it in a database.
The program handles a wide variety of data.
You need to ensure that the program handles the data correctly so that it can be stored in the database correctly.
Match the data type to the code segment. To answer, drag the appropriate data type from the column on the left to its code segment on the right. Each data type may be used once, more than once, or not at all.
Select and Place:

• bool,float,int,str,int

• bool,int,float,str,str

• int,bool,str,float,str

• int,bool,float,str,bool

You are creating a Python program that shows a congratulation message to employees on their service anniversary.
You need to calculate the number of years of service and print a congratulatory message.
You have written the following code. Line numbers are included for reference only.

You need to complete the program.
Which code should you use at line 03?

• print("Congratulations on" + (int(end)-int(start)) + "years of service!")

• print("Congratulations on" + str(int(end)-int(start)) + "years of service!")

• • print("Congratulations on" + int(end - start) + "years of service!")

  
  

• • print("Congratulations on" + str(end - start)) + "years of service!")

  
  

Evaluate the following Python arithmetic expression: (3*(1+2)**2 - (2**2)*3)

What is the result?

• A. 3

• B. 13

• C. 15

• D. 69

Northwind Traders has hired you as an intern on the coding team that creates ecommerce applications. You must write a script that asks the user for a value. The value must be used as a whole number in a calculation, even if the user enters a decimal value. You need to write the code to meet the requirements. Which code segment should you use?

• A. totalltems = int(input(”How many items would you like?”))

• B. totalltems = str(input(”How many items would you like?”))

• C. totalltems = float(input(”How many items would you like?”))

• D. totalltems = input(”How many items would you like?”)

You are creating a Python program that shows a congratulation message to employees on their service anniversary. You need to calculate the number of years of service and print a congratulatory message. You have written the following code. Line numbers are included for reference only.

01 start = input(”How old were you on your start date?)

02 end = input(’How old are you today?”)

03 You need to complete the program. Which code should you use at line 03?

• A. print(“congratulations on “ + int(end - start) + “ years of service!”)

• B. print(“congratulations on “ + (int(end) - int(start)) + “ years of service!”)

• C. print(“congratulations on “ + str(end - start) + “ years of service!”)

• D. print(”congratulations on “ + str(int(end) - int(start)) + “ years of service!”)

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?

• A. Place the notes after the last line of code separated by a blank line.

• B. Place the notes inside of parentheses on any line.

• C. Place the notes after the # sign on any line.

• D. Place the notes before the first line of code separated by a blank line.

You are writing an application that uses the sqrt function. The program must reference the function using the name squareRoot. You need to import the function. Which code segment should you use?

• A. from math import sqrt as squareRoot

• B. from math.sqrt as squareRoot

• C. import math.sqrt as squareRoot

• D. import sqrt from math as squareRoot

This question requires that you evaluate the underlined text to determine if it is correct. You write the following code:

• A. No change is needed.

• B. The code runs, but generates a logic error.

• C. The code will generate a runtime error.

• D. The code will generate a syntax error.

You are writing a Python program to automate inventory. Your first task is to read a file of inventory transactions. The file contains sales from the previous day, including the item id, price, and quantity. The following shows a sample of data from the file: 10, 200, 5 20, 100, 1 The code must meet the following requirements: . Each line of the file must be read and printed . If a blank line is encountered, it must be ignored . When all lines have been read, the file must be closed You create the following code. Line numbers are included for reference only.

• A. 05 if line != ‘‘:

  06 if line !=””:

• B. 05 if line != ‘\n’: 06 if line != None:

• C. 05 if line != ‘\n’: 06 if line != “”:

• D. 05 if line != ‘‘:

  06 if line != “\n”

Tailspin Toys uses Python to control its new toy Happy Clown. The program has errors that cause the clown to run around in an infinite circle. You have been hired to help debug the following Happy Clown code. Line numbers are included for reference only.

• A. Line 05 has a syntax error because it should read (power == True).

• B. Line 08 has a syntax error because + = is an invalid statement.

• C. Line 07 causes a runtime error due to division by zero.

• D. Line 05 causes a runtime error because the expression is incomplete.