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import streamlit as st
import google.generativeai as genai
import os
MODEL_ID = "gemini-2.0-flash-exp"
try:
api_key = os.getenv("GEMINI_API_KEY")
model_id = MODEL_ID
genai.configure(api_key=api_key)
except Exception as e:
st.error(f"Error: {e}")
st.stop()
# Initialize conversation history in Streamlit session state
if "conversation_history" not in st.session_state:
st.session_state.conversation_history = []
# Initialize chat model outside the function to maintain state
if "chat_model" not in st.session_state:
st.session_state.chat_model = genai.GenerativeModel(MODEL_ID).start_chat(history=st.session_state.conversation_history)
def basic_prompt(text_prompt):
try:
chat = st.session_state.chat_model #use the saved chat model.
response = chat.send_message(text_prompt)
# Update conversation history
st.session_state.conversation_history.append({"role": "user", "parts": [text_prompt]}) #gemini uses parts now.
st.session_state.conversation_history.append({"role": "model", "parts": [response.text]})
# Update the chat model's history
st.session_state.chat_model = genai.GenerativeModel(MODEL_ID).start_chat(history=st.session_state.conversation_history)
return response.text
except Exception as e:
return f"An error occurred: {e}"
# App title
st.title("Gemini Tutor: One-way ANOVA and two-way ANOVA")
# About this App section
with st.expander("About this App"):
st.markdown("""
**Gemini AI-enabled Teaching Assistant** is an innovative application designed to unlock concepts in various subjects using the power of Gemini AI.
Created by Louie F. Cervantes, M. Eng. (Information Engineering) (c) 2025.
""")
# Create two tabs
st.write("Click the tabs to display more information.")
tab1, tab2 = st.tabs(["Concept", "Application"])
# Concept tab
with tab1:
prompt = """Create a detailed explainer on ANOVA statistic and the difference between one-way and two-way ANOVA.
The context is for senior high school students enrolled in a statistics course.
Use brief and concise phrasing and do not add text like 'Okay let's start' or 'Here is the explanation'."""
if st.button("Explain"):
with st.spinner("Gemini is thinking..."):
response_text = basic_prompt(prompt)
st.markdown(response_text)
# Application tab
with tab2:
st.write("Click the button to generate a new example.")
if st.button("Illustrate with an example"):
with st.spinner("Gemini is thinking..."):
prompt = """Create a real world example that uses either one-way or two-way ANOVA.
Output only the text of the example do not add any other text.
The problem should be different from the example you created in the previous step."""
problem = basic_prompt(prompt)
st.markdown(problem)
st.subheader("Explanation")
prompt = """Discuss why one-way ANOVA or two-way ANOVA is applicable and not the other."""
solution = basic_prompt(prompt)
st.markdown(solution)
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