Python 3: Understanding the Difference between int() and floor() Functions

├Źndice
  1. Introduction
  2. The int() Function
  3. The floor() Function
  4. When to Use Each Function
  5. Conclusion

Introduction

When working with Python 3, it is important to understand the difference between the int() and floor() functions. Both functions are used to round numbers, but they do so in different ways. In this article, we will explore the differences between these two functions and when to use each one.

The int() Function

The int() function in Python 3 is used to convert a number to an integer. This function takes in a single argument and returns an integer value. If the argument passed to the function is a float, the function will round down to the nearest integer. If the argument is a string, the function will convert the string to an integer.

For example, if we have a float value of 3.9 and we use the int() function, the function will return 3. Similarly, if we have a string value of "5" and we use the int() function, the function will return 5 as an integer.

The floor() Function

The floor() function in Python 3 is used to round a number down to the nearest integer. This function takes in a single argument and returns a float value. If the argument passed to the function is already an integer, the function will return the integer value. If the argument is a float, the function will round down to the nearest integer.

For example, if we have a float value of 3.9 and we use the floor() function, the function will return 3.0 as a float. Similarly, if we have an integer value of 5 and we use the floor() function, the function will return 5.0 as a float.

When to Use Each Function

So, when should we use the int() function and when should we use the floor() function? The answer depends on what you want to do with the rounded value.

If you simply want to convert a float to an integer, use the int() function. If you want to round a number down to the nearest integer, use the floor() function.

For example, if you have a float value of 3.9 and you want to convert it to an integer, use the int() function. However, if you have a float value of 3.9 and you want to round it down to 3, use the floor() function.

Conclusion

In conclusion, the int() and floor() functions in Python 3 are used to round numbers in different ways. The int() function is used to convert a number to an integer, while the floor() function is used to round a number down to the nearest integer. By understanding the differences between these functions, you can choose the right one for your needs.

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