Upload app.py

app.py

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+# import the streamlit library
+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
+    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")