Update app.py

app.py

@@ -1,40 +1,47 @@
 import streamlit as st
+ 
+st.title('Welcome to BMI Calculator')
+ 
+weight = st.number_input("Enter your weight (in kgs)")
 
-st.title("BMI Calculator App")
-
-# Input weight
-weight = st.number_input("Enter your weight (in kgs)", min_value=0.0, step=0.1)
-
-# Select height format
-status = st.radio('Select your height format:', ('cms', 'meters', 'feet'))
-
-# Input height based on selection
-height = 0
-if status == 'cms':
-    height = st.number_input('Enter height in Centimeters', min_value=0.0, step=0.1)
-    height /= 100  # Convert to meters
-elif status == 'meters':
-    height = st.number_input('Enter height in Meters', min_value=0.0, step=0.01)
-elif status == 'feet':
-    height = st.number_input('Enter height in Feet', min_value=0.0, step=0.1)
-    height /= 3.281  # Convert to meters
-
-# BMI Calculation and Display
-if st.button('Calculate BMI'):
-    if height > 0:
+status = st.radio('Select your height format: ',
+                  ('cms', 'meters', 'feet'))
+ 
+if(status == 'cms'):
+    height = st.number_input('Centimeters')
+ 
+    try:
+        bmi = weight / ((height/100)**2)
+    except:
+        st.text("Enter some value of height")
+ 
+elif(status == 'meters'):
+    height = st.number_input('Meters')
+ 
+    try:
         bmi = weight / (height ** 2)
-        st.text(f"Your BMI Index is {bmi:.2f}.")
-
-        # Categorizing BMI
-        if bmi < 16:
-            st.error("You are Extremely Underweight")
-        elif 16 <= bmi < 18.5:
-            st.warning("You are Underweight")
-        elif 18.5 <= bmi < 25:
-            st.success("You are Healthy")
-        elif 25 <= bmi < 30:
-            st.warning("You are Overweight")
-        else:
-            st.error("You are Extremely Overweight")
-    else:
-        st.error("Please enter a valid height greater than 0.")
+    except:
+        st.text("Enter some value of height")
+ 
+else:
+    height = st.number_input('Feet')
+ 
+    try:
+        bmi = weight / (((height/3.28))**2)
+    except:
+        st.text("Enter some value of height")
+ 
+if(st.button('Calculate BMI')):
+ 
+    st.text("Your BMI Index is {}.".format(bmi))
+ 
+    if(bmi < 16):
+        st.error("You are Extremely Underweight")
+    elif(bmi >= 16 and bmi < 18.5):
+        st.warning("You are Underweight")
+    elif(bmi >= 18.5 and bmi < 25):
+        st.success("Healthy")
+    elif(bmi >= 25 and bmi < 30):
+        st.warning("Overweight")
+    elif(bmi >= 30):
+        st.error("Extremely Overweight")