HackerRank Python: String Formatting Solution

Table of Contents

Question

Given an integer, n, print the following values for each integer i from 1 to n:

Decimal
Octal
Hexadecimal (capitalized)
Binary

Function Description

Complete the print_formatted function in the editor below.

print_formatted has the following parameters:

int number: the maximum value to print

Prints

The four values must be printed on a single line in the order specified above for each i from 1 to number. Each value should be space-padded to match the width of the binary value of number.

Input Format

A single integer denoting n.

Constraints

1 <= n <= 99

Sample Input

Sample Output

    1     1     1     1
    2     2     2    10
    3     3     3    11
    4     4     4   100
    5     5     5   101
    6     6     6   110
    7     7     7   111
    8    10     8  1000
    9    11     9  1001
   10    12     A  1010
   11    13     B  1011
   12    14     C  1100
   13    15     D  1101
   14    16     E  1110
   15    17     F  1111
   16    20    10 10000
   17    21    11 10001

Solution

				
					def print_formatted(number):
    width = len(bin(number)[2:])  # Determine the width based on the binary representation of 'number'
    
    for i in range(1, number+1):
        decimal = str(i)
        octal = oct(i)[2:]
        hexadecimal = hex(i)[2:].upper()
        binary = bin(i)[2:]
        
        # Print the formatted values
        print(f"{decimal:>{width}} {octal:>{width}} {hexadecimal:>{width}} {binary:>{width}}")

# Test the function
n = int(input("Enter a number: "))
print_formatted(n)

Explanation

This function takes an integer number as input and calculates the width required for formatting by determining the length of the binary representation of number. Then, it uses a loop to iterate from 1 to number and calculates the decimal, octal, hexadecimal, and binary representations for each value of i. Finally, it prints the formatted values using f-strings, ensuring each value is right-aligned with the specified width..

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