We’ll show you how to effectively reverse a number in Python in this in-depth tutorial. A number can be reversed by switching the positions of its digits. We are dedicated to giving you the best information we can since we recognise how important it is to optimise the content of your website so that it ranks higher than other articles. Without further ado, let’s study various methods for reversing numbers in the Python code!
One straightforward method to reverse a number is by utilizing mathematical operations. We can achieve this by performing simple arithmetic calculations.
def reverse_number(num):
reverse = 0
while num > 0:
remainder = num % 10
reverse = (reverse * 10) + remainder
num = num // 10
return reverse
Another way to reverse a number is to transform it into a string, play around with the string, and then transform it back into an integer. Let’s investigate this approach:
def reverse_number(num):
reversed_str = str(num)[::-1]
return int(reversed_str)
Although both approaches produce the same outcome, using mathematical procedures is typically faster to execute. Additional conversions must be made in order to convert to a string, which might be computationally more expensive for large numbers. However, for small-scale activities, the difference is insignificant.
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In this article, we looked at two effective Python techniques for reversing numbers. We spoke about transforming the number into a string and using mathematical operations. You may simply reverse numbers and improve the usefulness of your Python programmes by including these approaches in your code.
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