98-381 試験問題を無料オンラインアクセス

The ABC company has hired you as an intern on the coding team that creates e-commerce 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.totalItems = int(input("How many items would you like?"))
• B.totalItems = str(input("How many items would you like?"))
• C.totalItems = float(input("How many items would you like?"))
• D.totalItems = input("How many items would you like?")

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.sqrt as squareRoot
• B.import math.sqrt as squareRoot
• C.import sqrt from math as squareRoot
• D.from math import sqrt as squareRoot

HOTSPOT
You are an intern for ABC electric cars company. You must create a function that calculates the average velocity of their vehicles on a 1320 foot (1/4 mile) track. The output must be as precise as possible.
How should you complete the code? To answer, select the appropriate code segments in the answer area.

正解：

References:
https://www.w3resource.com/python/python-data-type.php

HOTSPOT
You develop a Python application for your company.
You have the following code. Line numbers are included for reference only.

Use the drop-down menus to select the answer choice that answers each question based on the information presented in the code segment.

正解：

References:
http://www.mathcs.emory.edu/~valerie/courses/fall10/155/resources/op_precedence.html
http://interactivepython.org/runestone/static/pythonds/BasicDS/InfixPrefixandPostfixExpressions.html

You develop a Python application for your company.
A list named employees contains 200 employee names, the last five being company management. You need to slice the list to display all employees excluding management.
Which two code segments should you use? Each correct answer presents a complete solution. (Choose two.)

• A.employees [1:-5]
• B.employees [0:-5]
• C.employees [1:-4]
• D.employees [0:-4]
• E.employees [:-5]