Answered: Python: numpy def…

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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Python: numpy

def serial_numbers(num_players):
"""
QUESTION 2
- You are going to assign each player a serial number in the game.
- In order to make the players feel that the game is very popular with a large
player base,
you don't want the serial numbers to be consecutive.

- Instead, the serial numbers of the players must be equally spaced, starting
from 1 and going all the way up to 100 (inclusive).
- Given the number of players in the system, return a 1D numpy array of the
serial numbers for the players.
- THIS MUST BE DONE IN ONE LINE
Args:
num_players (int)
Returns:
np.array
>> serial_numbers(10)
array([1. 12. 23. 34. 45. 56. 67. 78. 89. 100.])
>> serial_numbers(12)
array([1. 10. 19. 28. 37. 46. 55. 64. 73. 82. 91. 100.])
"""

# print(serial_numbers(10))

# print(serial_numbers(12))

Expert Solution

Step 1

python program to print the player serial number with equal space using numpy

use the linspace() method , it returns the evenly separated values over the specified period.

syntax.

numpy.linspace(start, stop, num, endpoint, retstep, dtype)

where,

start: It represents the starting value of interval

stop: stopping value of interval

num: amount of evenly spaced sample over interval to be generated

endpoint: true value indicated the stopping value is included in interval

retstep: this is a Boolean value, represents the steps and sample between consecutive numbers

dtype: it represents the data type of array item.

* this program use only three parameters start , stop and num. see the below code

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