streamlit bmi app

app.py

@@ -0,0 +1,54 @@
+import streamlit as st
+
+# give a title to our app
+st.title('Welcome to BMI Calculator')
+
+# TAKE WEIGHT INPUT in kgs
+weight = st.number_input("Enter your weight (in kgs)")
+
+# TAKE HEIGHT INPUT
+# radio button to choose height format
+status = st.radio('Select your height format: ', ('cms', 'meters', 'feet'))
+
+# compare status value
+if status == 'cms':
+    # take height input in centimeters
+    height = st.number_input('Centimeters')
+    try:
+        bmi = weight / ((height / 100) ** 2)
+    except:
+        st.text("Enter some value of height")
+
+elif status == 'meters':
+    # take height input in meters
+    height = st.number_input('Meters')
+    try:
+        bmi = weight / (height ** 2)
+    except:
+        st.text("Enter some value of height")
+
+else:
+    # take height input in feet
+    height = st.number_input('Feet')
+    # 1 meter = 3.28 feet
+    try:
+        bmi = weight / ((height / 3.28) ** 2)
+    except:
+        st.text("Enter some value of height")
+
+# check if the button is pressed or not
+if st.button('Calculate BMI'):
+    # print the BMI INDEX
+    st.text("Your BMI Index is {}.".format(bmi))
+    
+    # give the interpretation of BMI index
+    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")