Answered: SIZE = 1 All the numbers... [0] All the…

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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Hello there:

I must complete the following lesson as exactly as the instructions are given in the Python code. After I have completed the lesson, I must test it by changing SIZE to any number between 1 and 'whatever' and your whole program will still work. You should test at least with the cases 1, 2, 3, 4, 10, 20, 100, 1000. It must work in at least all those cases. When you are ready to turn in, return SIZE to 10.

Please can you help me with this lesson? Thanks in advance!

The instructions are in the code:

import numpy as np

# SIZE is a global constant, use this throughout your program.

# you should be able to change this to any int and your

# whole program will still work correctly. TEST THIS!

SIZE = 10

# creates a numpy array of size SIZE filled with 0s.

numbers = np.array([0] * SIZE, dtype=int)

# show the array

print("All the numbers...")

print(numbers)

print()

# now fill it with 10,20,30, etc ***using a loop***

#########################

# code here

#########################

# show the array again

print("All the numbers...")

print(numbers)

print()

# now make an integer array of size 4 to hold stats, call it stats

# calculate four basic stats and put them in the size 4 array in this order:

# min, max, total, average

# min and max will just be the first and last numbers from the numbers array

# average may calculate as a float, make it an int to store it in the stats array

# you should use a simple print(stats) to see your array as you code, then erase

# that print statement and uncomment the print statements below to see your stats

#########################

# code here

#########################

# When you have your stats array working, uncomment this code to display the stats.

#print("Min: ", stats[0])

#print("Max: ", stats[1])

#print("Total: ", stats[2])

#print("Average: ", stats[3])

print()

The output must be as the following examples:

SIZE = 1
All the numbers...
[0]
All the numbers...
[10]
Min: 10
Max: 10
Total: 10
Average: 10
SIZE = 2
All the numbers...
[0 0]
All the numbers...
[10 20]
Min: 10
Max: 20
Total: 30
Average: 15

SIZE = 100
All the numbers...
All the numbers...
[ 10 20 30 40
60
70
80
90 100 110 120 130 140
150 160
170
180
190 200 210 220
230 240 250 260 270 280
290
300
310
320
330
340
350
360
370
380
390
400
410 420
430
440
450
460
470
480 490
500
510
520 530
540
550 560
570
580
590
600
610
620 630
640
650 660 670
680
690 700
710 720
730
740
750
760 770
780
790 800
810
820 830 840
850 860
870 880
890
900 910 920 930 940
950
960 970 980
990 1000]
Min:
Max:
Total: 50500
Average: 505
10
1000

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