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Authors:
Y Daniel Lang
Chapter:
0.lists
Exercise:
Programming Excercises
Question:7 | ISBN:978013274719 | Edition: 6

Question

(Count single digits) Write a program that generates 1,000 random integers between 0 and 9 and displays the count for each number. (Hint: Use a list of ten integers, say counts, to store the counts for the number of 0s, 1s, ..., 9s.)

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Answer

Program code:

import random

# Initialize a list of counts for each number from 0 to 9
counts = [0] * 10

# Generate 1,000 random integers between 0 and 9
for _ in range(1000):
    number = random.randint(0, 9)
    counts[number] += 1

# Display the count for each number
for i in range(10):
    print(f"Count of {i}: {counts[i]}")

Output of the program code:

Output 1:

Count of 0: 94
Count of 1: 121
Count of 2: 93
Count of 3: 90
Count of 4: 96
Count of 5: 103
Count of 6: 117
Count of 7: 81
Count of 8: 108
Count of 9: 97

Output 2:

Count of 0: 94
Count of 1: 121
Count of 2: 93
Count of 3: 90
Count of 4: 96
Count of 5: 103
Count of 6: 117
Count of 7: 81
Count of 8: 108
Count of 9: 97

 

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