isinf()
isinf(number) returns Boolean , True if the input number is positive infinite or negative infinity, False otherwise.
isinf(n)
Example
import math
print(math.isinf(2)) # False
print(math.isinf(-2)) # False
print(math.isinf(0.0)) # False
print(math.isinf(0/1)) # False
print(math.isinf(0.0/1)) # False
Note : 0.0 is considered finite.
import math
print(math.isinf(float('inf'))) # True
print(math.isinf(float('-inf'))) # True
print(math.isinf(float('nan'))) # False
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