Need Help on Python number 26 BMI Calculator

Question

Hello,

i need help on my code for this calculator.

Here are my two code samples and i think they look fine to me:

weight = int(input())
height = float(input())
bmi = wheight/height**2
while bmi >0:
if bmi <18.5:
print("Underweight")
elif bmi >=18.5 and <25:
print("Normal")
elif bmi >=25 and <30:
print("Overweight")
else
print("Obesity")

and

weight = int(input())
height = float(input())
bmi = wheight/height**2
while bmi >0:
if bmi <18.5:
print("Underweight")
elif bmi >=18.5 and <25:
print("Normal")
elif bmi >=25 and <30:
print("Overweight")
elif bmi >30:
print("Obesity")

And now im a bit confused about the output of the error message:

File "/usercode/file0.py", line 8
if bmi >=18.5 and <25:
^
SyntaxError: invalid syntax

Why does it tell me the lesser indicator ("<") is a "invalid syntax"?

Thx in advance.

Answer 1

Why do you use while?
Why do you indent more with the elif.

It should look more like this.

If ....... :
do something
elif ......... :
do something different

Answer 2

I don't really understand your while loop?

You don't need any loop, just if-elif-else conditions

Remove the loop, check the indentation and apply Slick 's suggestion

Answer 3

if (bmi >= 18.5) and (bmi < 25):
...

Answer 4

Nah, look at your indentation as Lisa suggested. You can't have an elif block without an if block in the same scope. Put them all on the same level of indentation.

Answer 5

Thx for all your help.

I'm somewhat sleepy and have done too many errors in the whole syntax. :)

Here is my cleaned code who solved everything:

weight = int(input())
height = float(input())
bmi = weight/height**2
if bmi <18.5:
print("Underweight")
elif (bmi >=18.5) and (bmi <25):
print("Normal")
elif (bmi >=25) and (bmi <30):
print("Overweight")
elif bmi >30:
print("Obesity")

Is this clean enough?

Answer 6

Looks okay. Great you solved it! :)

Answer 7

Hmm tried to clear the Python code from the while loop and now "elif" is pointed out to be a invalid syntax.

weight = int(input())
height = float(input())
bmi = wheight/height**2
if bmi <18.5:
print("Underweight")
elif (bmi >=18.5) and (bmi <25):
print("Normal")
elif (bmi >=25) and (bmi <30):
print("Overweight")
else
print("Obesity")

Error:
File "/usercode/file0.py", line 7
elif (bmi >=18.5) and (bmi <25):
^
SyntaxError: invalid syntax

I don't get it. Should i call "print(bmi + "Normal")" and so on?

Thx in advance