Create app.py

app.py

@@ -0,0 +1,34 @@
+import streamlit as st 
+st.title('Welcome to the BMI Calculator')
+
+weight = st.number_input('Enter your weight in Kgs')
+status = st.radio('Select your height format:',('cms','meters','feet'))
+
+try:
+    if status == 'cms':
+        height = st.number_input('Centimeters')
+        bmi = weight/((height/100)**2)
+
+    elif status == 'meters':
+        height = st.number_input('meters')
+        bmi = weight/((height)**2)
+
+    elif status == 'feet':
+        height = st.number_input('feet')
+        bmi = weight/((height/3.28)**2)
+except:
+    print('Zero Division error')
+
+if st.button('Calculate BMI'):
+    st.write('Your BMI Index is {}.'.format(round(bmi)))
+
+    if bmi<16:
+        st.error('You are extremely underweight')
+    elif (bmi>=16 and bmi<18):
+        st.warning('You are underweight')
+    elif (bmi>=18 and bmi<25):
+        st.success('You are Healhy')
+    elif (bmi>=25 and bmi<30):
+        st.warning('You are Overweight')
+    elif bmi>=30:
+        st.error('Extremely overweight')