Create app.py

app.py

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+import streamlit as st
+
+# Function to calculate Basal Metabolic Rate (BMR) using the Mifflin-St Jeor Equation
+def calculate_bmr(gender, age, weight, height):
+    if gender == 'Male':
+        # Mifflin-St Jeor Equation for Men: BMR = 10 * weight + 6.25 * height - 5 * age + 5
+        bmr = 10 * weight + 6.25 * height - 5 * age + 5
+    else:
+        # Mifflin-St Jeor Equation for Women: BMR = 10 * weight + 6.25 * height - 5 * age - 161
+        bmr = 10 * weight + 6.25 * height - 5 * age - 161
+    return bmr
+
+# Function to calculate daily caloric needs based on activity level
+def calculate_calories(bmr, activity_level):
+    activity_factor = {
+        'Sedentary (little or no exercise)': 1.2,
+        'Lightly Active (light exercise or sports 1-3 days a week)': 1.375,
+        'Moderately Active (moderate exercise or sports 3-5 days a week)': 1.55,
+        'Very Active (hard exercise or sports 6-7 days a week)': 1.725,
+        'Super Active (very hard exercise or physical job)': 1.9
+    }
+    calories = bmr * activity_factor[activity_level]
+    return calories
+
+# Function to suggest a basic diet plan based on caloric needs
+def generate_diet_plan(calories):
+    if calories < 1800:
+        return "Suggested Diet Plan: \n- Breakfast: Oatmeal with fruits \n- Snack: Yogurt with nuts \n- Lunch: Grilled chicken with vegetables \n- Snack: Fruits \n- Dinner: Salmon with steamed broccoli"
+    elif calories < 2500:
+        return "Suggested Diet Plan: \n- Breakfast: Scrambled eggs with toast and avocado \n- Snack: Protein shake \n- Lunch: Turkey and quinoa salad \n- Snack: Hummus with carrot sticks \n- Dinner: Grilled steak with sweet potatoes"
+    else:
+        return "Suggested Diet Plan: \n- Breakfast: Protein pancakes with berries \n- Snack: Mixed nuts and protein bar \n- Lunch: Grilled chicken with rice and veggies \n- Snack: Cottage cheese with fruit \n- Dinner: Beef stir-fry with vegetables and noodles"
+
+# Streamlit UI setup
+st.title("Diet Plan Generator")
+
+st.markdown("""
+    This application generates a personalized diet plan based on your gender, age, weight, height, and activity level.
+    Please enter your details to get started!
+""")
+
+# Sidebar for input values
+st.sidebar.header("Input Your Details")
+gender = st.sidebar.selectbox("Gender", ["Male", "Female"])
+age = st.sidebar.number_input("Age", min_value=18, max_value=100, value=25)
+weight = st.sidebar.number_input("Weight (in kg)", min_value=30, max_value=200, value=70)
+height = st.sidebar.number_input("Height (in cm)", min_value=100, max_value=250, value=170)
+
+activity_level = st.sidebar.selectbox(
+    "Activity Level",
+    ['Sedentary (little or no exercise)', 'Lightly Active (light exercise or sports 1-3 days a week)', 
+     'Moderately Active (moderate exercise or sports 3-5 days a week)', 
+     'Very Active (hard exercise or sports 6-7 days a week)', 'Super Active (very hard exercise or physical job)']
+)
+
+# Calculate BMR and Daily Caloric Needs
+bmr = calculate_bmr(gender, age, weight, height)
+daily_calories = calculate_calories(bmr, activity_level)
+
+# Generate Diet Plan
+diet_plan = generate_diet_plan(daily_calories)
+
+# Create interactive columns for a clean layout
+col1, col2 = st.columns(2)
+
+with col1:
+    st.subheader("Your Profile")
+    st.write(f"**Gender**: {gender}")
+    st.write(f"**Age**: {age} years")
+    st.write(f"**Weight**: {weight} kg")
+    st.write(f"**Height**: {height} cm")
+    st.write(f"**Activity Level**: {activity_level}")
+    
+with col2:
+    st.subheader("Your Estimated Daily Caloric Needs")
+    st.write(f"**BMR (Basal Metabolic Rate)**: {bmr:.2f} kcal/day")
+    st.write(f"**Total Daily Calories**: {daily_calories:.2f} kcal/day")
+    
+# Display the suggested diet plan
+st.subheader("Suggested Diet Plan:")
+st.write(diet_plan)