Answered: In Python, given the following tuple,…

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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Question

In Python, given the following tuple, tu1 = (9, 3, 0, -4, 8, 7, 10, -1, 5), create your own count and index
functions where count counts the elements passed as argument and index returns the first index
of the parameter passed. Your algorithm should work for any tuple irrespective of its size

Expert Solution

Step 1 : Code

def count(values : tuple,target : any) -> int:

count = 0 # count the number of target

for i in values: # loop through the values

if i == target: # if the value is the target

count += 1 # add 1 to the count

return count # return the count

def index(values : tuple,target : any) -> int:

for i in range(len(values)): # loop through the values

if values[i] == target: # if the value is the target

return i # return the index

return -1 # return -1 if the target is not found

def main():

values = (1,2,3,4,5,5,7,8,9,10) # the values

print(index(values,5)) # print the index of 5

print(count(values,5)) # print the number of 5's

if __name__ == "__main__":

main()

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