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Python modf() Function
The modf() function is a built-in function in Python that splits a floating-point number into its fractional and integer parts.
Syntax
math.modf(x)Parameters
- x: A numeric value (float or integer).
Return Value
Returns a tuple containing two values:
- The fractional part of the number.
- The integer part of the number.
Example
import math
print(math.modf(3.14))
print(math.modf(-2.7))
print(math.modf(5))Output
(0.14000000000000012, 3.0)
(-0.7000000000000002, -2.0)
(0.0, 5.0)The modf() function returns the fractional and integer parts as floats, even if the input is an integer.
Notes
- The returned fractional part has the same sign as the input number.
- If the input is zero, both parts are zero.
- This function is useful for extracting components of a floating-point number.
Related Functions
math.floor(x): Returns the largest integer less than or equal to x.math.ceil(x): Returns the smallest integer greater than or equal to x.math.trunc(x): Returns the truncated integer part of x.
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