Consider the following programming task:"Given an input integer n, create a while loop that utilizes arithmetic to store the frequency of each digit present in n in a dictionary frequency_map. The input number n will be provided as a numeric data type, not a string. For each loop iteration, you must update frequency_map before reducing n."
Question
Consider the following programming task:"Given an input integer n, create a while loop that utilizes arithmetic to store the frequency of each digit present in n in a dictionary frequency_map. The input number n will be provided as a numeric data type, not a string. For each loop iteration, you must update frequency_map before reducing n."
Solution
Here is a step-by-step guide to solve the programming task:
-
Initialize an empty dictionary
frequency_mapto store the frequency of each digit. -
Convert the input integer
nto a string to be able to iterate over each digit. This can be done using thestr()function. -
Create a while loop that continues as long as
nis not equal to 0. -
Inside the loop, calculate the last digit of
nby takingnmodulo 10. This can be done using the%operator. -
Check if the last digit is already a key in
frequency_map. If it is, increment the value associated with this key by 1. If it's not, add a new key-value pair to the dictionary with the key being the last digit and the value being 1. -
Reduce
nby removing its last digit. This can be done by performing integer division by 10 using the//operator. -
Repeat steps 4-6 until
nis equal to 0. -
After the loop ends,
frequency_mapwill contain the frequency of each digit present inn.
Here is a Python code snippet that implements the above steps:
def digit_frequencies(n):
frequency_map = {}
while n != 0:
digit = n % 10
if digit in frequency_map:
frequency_map[digit] += 1
else:
frequency_map[digit] = 1
n = n // 10
return frequency_map
This function takes an integer n as input and returns a dictionary frequency_map that contains the frequency of each digit in n.
Similar Questions
Question 3: Coding Task Problem SolvingConsider the following programming task:"Given an input integer n, create a while loop that utilizes arithmetic to store the frequency of each digit present in n in a dictionary frequency_map. The input number n will be provided as a numeric data type, not a string. For each loop iteration, you must update frequency_map before reducing n."Drag the pseudocode steps below to arrange them into the correct order to create a valid solution for the above task.digit = n mod 10if digit is not in frequency_map keysn = integer part of (n / 10)else add 1 to the value of digit in frequency_mapwhile n is greater than 0initialize an empty dictionary frequency_mapadd digit to frequency_map with an initial value of 1
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