- The function isfinite() checks whether the parameter passed in is infinite or not and returns a Boolean result.
# Example Python program that checks
# Is a positive integer finite?
# Is a negative integer finite?
# Check pi is finite or infinite
# Check with infinity
# Check with NaN
A positive integer is finite:True
A negative integer is finite:True
Pi is finite:True
Infinity is finite:False
NaN is finite:False