app.py

import gradio as gr

def calculate_bmi(Name,height_cm, weight_kg):
    height_cm = height_cm / 100  # Convert height from cm to meters
    bmi = weight_kg / (height_cm ** 2)  # Calculate BMI
   
    # Categorize BMI
    if bmi < 18.5:
        category = "Underweight "
        emoji = "😢"
    elif bmi >= 18.5 and bmi <= 24.9:
        category = "Normal weight"
        emoji = "😊"
    elif bmi >= 25 and bmi <= 29.9:
        category = "Overweight"
        emoji = "😕"
    else:
        category = "Obesity"
        emoji = "-😱-"
    
    return f"Name :  {Name}\n\nYour BMI:   {bmi:.2f}\nCategory:   {category}  {emoji} "

bmi = gr.Interface(fn=calculate_bmi, 
                   inputs=['text',
                           gr.Slider(0, 220, label="Height in cm"),
                           gr.Slider(0, 130, label="Weight in kg")],
                   outputs="text",
                   title="BMI Calculator in Metrics", 
                   description="Calculate your BMI (Body Mass Index) based on height **(cm)** and weight **(kg)**.\n\nDeveloped by: Parthebhan Pari \n\n**BMI Categories:**\n- Underweight = <18.5\n- Normal weight = 18.5–24.9\n- Overweight = 25–29.9\n- Obesity = BMI of 30 or greater",
                   )

bmi.launch()