Objectives · Familiarize with the concept of numbers, operators, and arithmetic operations; · Able to perform basic calculations. Scenario Take a look at the code in the editor: it reads a float value, puts it into a variable named x, and prints the value of a variable named y. Your task is to complete the code in order to evaluate the following expression: 3x - 2x? + 3x - 1

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Objectives
· Familiarize with the concept of numbers, operators, and
arithmetic operations;
· Able to perform basic calculations.
Scenario
Take a look at the code in the editor. it reads a float value, puts
it into a variable named x, and prints the value of a variable
named y. Your task is to complete the code in order to evaluate
the following expression:
Зx - 2х2 + 3х - 1
The result should be assigned to y.
Remember that classical algebraic notation likes to omit the
multiplication operator - you need to use it explicitly. Note
how we change data type to make sure that x is of type float.
Keep your code clean and readable, and test it using the data
we've provided, each time assigning it to the x variable (by
hardcoding it). Don't be discouraged by any initial failures. Be
persistent and inquisitive.
Transcribed Image Text:Objectives · Familiarize with the concept of numbers, operators, and arithmetic operations; · Able to perform basic calculations. Scenario Take a look at the code in the editor. it reads a float value, puts it into a variable named x, and prints the value of a variable named y. Your task is to complete the code in order to evaluate the following expression: Зx - 2х2 + 3х - 1 The result should be assigned to y. Remember that classical algebraic notation likes to omit the multiplication operator - you need to use it explicitly. Note how we change data type to make sure that x is of type float. Keep your code clean and readable, and test it using the data we've provided, each time assigning it to the x variable (by hardcoding it). Don't be discouraged by any initial failures. Be persistent and inquisitive.
< >
main.py 0
1 x = # hardcode your test data here
x = float(x)
# write your code here
4 print("y =", y)
2
3
II
Transcribed Image Text:< > main.py 0 1 x = # hardcode your test data here x = float(x) # write your code here 4 print("y =", y) 2 3 II
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