how to turn float into int python

Publicado em: 16 Agosto 2024
no canal de: CodeMake

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converting a float to an integer in python is a straightforward process, but there are a few methods available, each with its own behavior. below is an informative tutorial outlining the different ways to perform this conversion, along with code examples for each method.

1. using `int()`

the simplest way to convert a float to an integer is by using the built-in `int()` function. this method truncates the decimal part and returns the integer part of the float.

#### example:

2. using `math.floor()`

if you want to round down the float to the nearest integer, you can use the `math.floor()` function from the `math` module. this function returns the largest integer less than or equal to the float.

#### example:

3. using `math.ceil()`

if you want to round up the float to the nearest integer, you can use the `math.ceil()` function. this function returns the smallest integer greater than or equal to the float.

#### example:

4. using `round()`

the `round()` function can be used to round the float to the nearest integer. if the decimal part is 0.5 or greater, it rounds up; otherwise, it rounds down.

#### example:

summary of methods

**`int()`**: truncates the decimal part.
**`math.floor()`**: rounds down to the nearest integer.
**`math.ceil()`**: rounds up to the nearest integer.
**`round()`**: rounds to the nearest integer, with ties rounding to the nearest even integer.

conclusion

choosing the right method to convert a float to an integer depends on your specific needs—whether you want to truncate, round down, round up, or round to the nearest integer. each of these methods is easy to use and can be implemented in various scenarios where you need to work with integer values derived from float numbers.

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