Update app.py

app.py

@@ -83,3 +83,63 @@ st.write(f"METS for chosen style: {swim_styles[swim_style]}")
 
 st.subheader(f"Ring Style: {grip_style} 🪐")
 st.write(f"Factor for chosen grip: {grip_styles[grip_style]}")
+
+
+
+# BMR Calculator
+
+import streamlit as st
+import pandas as pd
+import os
+from datetime import datetime
+
+# Constants
+GRAVITATIONAL_FORCE = 9.8  # Earth's gravitational force in m/s^2
+
+# Calculate Basal Metabolic Rate
+def calculate_bmr(lbm):
+    return 500 + 22 * lbm
+
+# Calculate Calories Burned Lifting Weights
+def calculate_calories_burned(mass, height_diff):
+    joules = mass * GRAVITATIONAL_FORCE * height_diff
+    return joules / 4184  # Convert joules to kilocalories
+
+# Save to file
+def save_data(lbm, calories):
+    filename = f"data_{datetime.now().strftime('%Y%m%d_%H%M%S')}.csv"
+    df = pd.DataFrame({'Date': [datetime.now()], 'LBM': [lbm], 'Calories Burned': [calories]})
+    df.to_csv(filename, index=False)
+    return filename
+
+# Load history
+def load_history():
+    files = [f for f in os.listdir('.') if f.startswith('data_')]
+    return files
+
+# UI
+st.title('🏋️ Calorie Counter for Weightlifting 🏋️')
+
+with st.form('input_form'):
+    lbm = st.number_input('Enter your Lean Body Mass (kg):', min_value=0.0, value=60.0)
+    mass = st.number_input('Enter the weight lifted (kg):', min_value=0.0, value=30.0)
+    height_diff = st.number_input('Enter the height difference (m):', min_value=0.0, value=1.0)
+    submitted = st.form_submit_button('Calculate')
+
+if submitted:
+    bmr = calculate_bmr(lbm)
+    calories_burned = calculate_calories_burned(mass, height_diff)
+    save_file = save_data(lbm, calories_burned)
+    st.success(f'🔥 BMR: {bmr:.2f} kcal/day')
+    st.success(f'🔥 Calories Burned: {calories_burned:.4f} kcal')
+    st.sidebar.success(f'📁 Saved as {save_file}')
+
+# Display history
+st.sidebar.header('📚 History')
+for file in load_history():
+    if st.sidebar.button(f'📅 {file}', key=file):
+        df = pd.read_csv(file)
+        st.sidebar.write(df)
+
+
+