Exercise 2 - Primer on LoopReferring to the code for drawing an equilateral triangle provided to you earlier in this pracsheet, you may have noticed that, in order to draw the triangle, we are repeating a set of twocommands three times i.e. robot.forward( 100) followed by robotright(120). Python (and many otherprogramming languages) provide us a tool called a "Loop" to repeat a certain set of steps acertain number of times. As usual, in order to use loops, we have learn the correct Pythonsyntax for it. The following Python code uses a loop to draw the same equilateral triangle as thecode provided earlier:import turtlewn - turtle.Screen()wn.bgcolor("white"robot - turtle. Turtle()robot. setheading(90)robot shape("turtle")robot.colort"green"robot. pensize(3)for i in range(3):robot. forward( 100)robot. right(120)wn.exitonclick()Note that the lines that fall under the line that starts with "for" have to be indented; this meansthat you have to insert spaces or tabs (USE TABS!), and the number of spaces or tabs for alllines under the loop need to be the same. My advice: use only a single tab for each of theselines.Ok, now that we have this, try to use the above example to draw the following shape (noting thatthe lengths of the sides can all be equal, say, 50 units). This should be done in the Exercise2file provided in your Replit prac.Exercise 3- Valentine's Special [Show some love (but don't get carried away) by writing a program (in Exercise3 in Replit) to getthe robot to draw the well known shapes below: two intertwining hearts (..soaring away into thesunset...). Make sure the hearts are PINK IN COLOUR.Note that it is perfectly fine for your program to have lines within the hearts. What is important isthe outline. So if your shapes end up looking like the below, it will be fine too.

Exercise 3- Valentine's Special [ Show some love (but don't get carried away) by writing a program (in Exercise3 in Replit) to get the robot to draw the well known shapes below: two intertwining hearts (..soaring away into the sunset...). Make sure the hearts are PINK IN COLOUR.

Exercise 3- Valentine's Special [ Show some love (but don't get carried away) by writing a program (in Exercise3 in Replit) to get the robot to draw the well known shapes below: two intertwining hearts (..soaring away into the sunset...). Make sure the hearts are PINK IN COLOUR.

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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The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.

Question

Exercise 2 - Primer on Loop
Referring to the code for drawing an equilateral triangle provided to you earlier in this prac
sheet, you may have noticed that, in order to draw the triangle, we are repeating a set of two
commands three times i.e. robot.forward( 100) followed by robotright(120). Python (and many other
programming languages) provide us a tool called a "Loop" to repeat a certain set of steps a
certain number of times. As usual, in order to use loops, we have learn the correct Python
syntax for it. The following Python code uses a loop to draw the same equilateral triangle as the
code provided earlier:
import turtle
wn - turtle.Screen()
wn.bgcolor("white"
robot - turtle. Turtle()
robot. setheading(90)
robot shape("turtle")
robot.colort"green"
robot. pensize(3)
for i in range(3):
robot. forward( 100)
robot. right(120)
wn.exitonclick()
Note that the lines that fall under the line that starts with "for" have to be indented; this means
that you have to insert spaces or tabs (USE TABS!), and the number of spaces or tabs for all
lines under the loop need to be the same. My advice: use only a single tab for each of these
lines.
Ok, now that we have this, try to use the above example to draw the following shape (noting that
the lengths of the sides can all be equal, say, 50 units). This should be done in the Exercise2
file provided in your Replit prac.
Exercise 3- Valentine's Special [
Show some love (but don't get carried away) by writing a program (in Exercise3 in Replit) to get
the robot to draw the well known shapes below: two intertwining hearts (..soaring away into the
sunset...). Make sure the hearts are PINK IN COLOUR.
Note that it is perfectly fine for your program to have lines within the hearts. What is important is
the outline. So if your shapes end up looking like the below, it will be fine too.

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