Some explain why I keep getting an error at line 2

Question

#your code goes here
weight = double(input ())
height = double(input ())

BMI = weight / (height* height )

if BMI < 18.5 :

print("Underweight")

else :

if BMI >= 18.5 or BMI < 25 :

print ("Normal")

else :

if BMI >= 25 or BMI < 30 :

print ("Overweight")

else :

if BMI >= 30 :

print ("Obesity")

Answer 1

There is no double() function in python. It is float() in Python. Replace it.
And I think, you need to think about logic again in indentation of if blocks, to get pass all tests...

Answer 2

**Read the error message**. What does it say? Python does not have a built-in double() function.

Answer 3

Jayakrishna🇮🇳 I have seen it but I really can't seem to solve it can you give me a reference to somewhere I can get better understanding of indentation

Answer 4

see this code :
https://code.sololearn.com/cT5BRIbkia21/?ref=app

additional references.. hope it help to solve it...
https://www.sololearn.com/discuss/2983351/?ref=app
https://www.sololearn.com/discuss/2534829/?ref=app