Python math - isnan() Function
The Python math.isnan() function is used to check if the argument is a NaN (not a number). It returns true if the argument is a NaN, else returns false.
Syntax
math.isnan(x)
Parameters
x |
Required. Specify the value. |
Return Value
Returns true if the argument is a NaN, else returns false.
Example:
In the example below, isnan() function is used to check if the argument is a NaN or not.
import math
print(math.isnan(2))
print(math.isnan(-2))
print(math.isnan(1.5),"\n")
print(math.isnan(float("inf")))
print(math.isnan(float("-inf")))
print(math.isnan(float("nan")))
The output of the above code will be:
False False False False False True
❮ Python Math Module
