# Python modf() Function Example | Python Math Module

Python modf() is a function that returns the fractional and integer parts of the number in a two-item tuple. Both parts have the same sign as a number.

Python modf() is an inbuilt function that returns the fractional and integer parts of the number in the two-item tuple. Both parts have the same sign as a number. The integer part is returned as the float.

### Python modf()

Suppose you are given two float type numbers and told to find the sum of the factorial parts of those two numbers. Here is the use of python modf() function, which is used to get factorial and integer part of a number in a tuple.

The first part is the factorial part, and the second part of the tuple is an integer part. The modf() function is under the math library, so to use this function, we first have to import the math library.

#### Syntax

``modf(x)``

Here the x the number of which we want to find the factorial part and the integer part.

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