Create app.py

app.py

@@ -0,0 +1,253 @@
+import streamlit as st
+import json
+import random
+import time
+from pathlib import Path
+
+# Set page configuration
+st.set_page_config(
+    page_title="Interactive Quiz App",
+    page_icon="📚"
+)
+
+# Custom CSS for styling
+def load_css():
+    st.markdown("""
+        <style>
+        .stButton button {
+            width: 100%;
+            border-radius: 5px;
+            height: 3em;
+            background-color: #4CAF50;
+            color: white;
+        }
+        .correct-answer {
+            color: green;
+            font-weight: bold;
+        }
+        .wrong-answer {
+            color: red;
+            font-weight: bold;
+        }
+        .question-card {
+            background-color: #f5f5f5;
+            padding: 20px;
+            border-radius: 10px;
+            margin: 10px 0;
+        }
+        </style>
+    """, unsafe_allow_html=True)
+
+# Load questions from JSON files
+def load_questions():
+    questions_data = {}
+    data_folder = Path("data")
+    
+    if not data_folder.exists():
+        st.error("Data folder not found! Please create a 'data' folder with subject JSON files.")
+        return {}
+    
+    for file in data_folder.glob("*.json"):
+        with open(file, 'r') as f:
+            data = json.load(f)
+            questions_data[data["subject"]] = data["questions"]
+    
+    return questions_data
+
+# Initialize session state
+def init_session_state():
+    if 'current_mode' not in st.session_state:
+        st.session_state.current_mode = 'Practice'
+    if 'test_start_time' not in st.session_state:
+        st.session_state.test_start_time = None
+    if 'test_answers' not in st.session_state:
+        st.session_state.test_answers = {}
+    if 'test_score' not in st.session_state:
+        st.session_state.test_score = 0
+    if 'test_completed' not in st.session_state:
+        st.session_state.test_completed = False
+
+# Landing page
+def show_landing_page(subjects):
+    st.title("📚 Interactive Quiz Application")
+    st.write("Welcome to the Interactive Quiz App! Choose a subject to begin your learning journey.")
+    
+    cols = st.columns(len(subjects))
+    for idx, subject in enumerate(subjects):
+        with cols[idx]:
+            if st.button(subject, key=f"subject_{idx}"):
+                st.session_state.selected_subject = subject
+                st.session_state.page = 'subject'
+                st.experimental_rerun()
+
+# Practice mode
+def practice_mode(questions, selected_week=None):
+    if selected_week:
+        questions = [q for q in questions if q['week'] == selected_week]
+
+    for idx, question in enumerate(questions):
+        with st.container():
+            st.markdown(f"### Question {idx + 1}")
+            st.write(question['question'])
+
+            options = [
+                question['option1'],
+                question['option2'],
+                question['option3'],
+                question['option4']
+            ]
+
+            user_answer = st.radio(
+                "Choose your answer:",
+                options,
+                key=f"practice_{idx}",
+                index=None  # Set index to None to start with no selection
+            )
+
+            if user_answer:
+                correct_answer = options[question['correct'] - 1]
+                if user_answer == correct_answer:
+                    st.success("Correct! ✅")
+                else:
+                    st.error(f"Incorrect! The correct answer is: {correct_answer}")
+
+            st.markdown("---")
+
+# Test mode
+def test_mode(questions, selected_week=None):
+    if not st.session_state.test_start_time:
+        st.session_state.test_start_time = time.time()
+        
+    if selected_week:
+        questions = [q for q in questions if q['week'] == selected_week]
+
+    test_questions = questions
+    
+    with st.form("test_form"):
+        for idx, question in enumerate(test_questions):
+            st.markdown(f"### Question {idx + 1}")
+            st.write(question['question'])
+            
+            options = [
+                question['option1'],
+                question['option2'],
+                question['option3'],
+                question['option4']
+            ]
+            
+            answer = st.radio(
+                "Choose your answer:",
+                options,
+                key=f"test_{idx}",
+                index=None
+            )
+            st.session_state.test_answers[idx] = {
+                'question': question['question'],
+                'user_answer': answer,
+                'correct_answer': options[question['correct'] - 1]
+            }
+            
+            st.markdown("---")
+        
+        submitted = st.form_submit_button("Submit Test")
+        
+        if submitted:
+            end_time = time.time()
+            time_taken = end_time - st.session_state.test_start_time
+            st.session_state.test_start_time = end_time
+            
+            # Calculate score
+            correct_count = 0
+            for idx, answer_data in st.session_state.test_answers.items():
+                if answer_data['user_answer'] == answer_data['correct_answer']:
+                    correct_count += 1
+            
+            st.session_state.test_score = (correct_count / len(test_questions)) * 100
+            st.session_state.test_completed = True
+            st.session_state.time_taken = time_taken
+            
+            # Show results
+            st.success(f"Test completed! Your score: {st.session_state.test_score:.2f}%")
+            st.info(f"Time taken: {time_taken:.2f} seconds")
+            
+            # Show review
+            st.markdown("### Review Your Answers")
+            for idx, answer_data in st.session_state.test_answers.items():
+                if answer_data['user_answer'] == answer_data['correct_answer']:
+                    color_class = "correct-answer"
+                else:
+                    color_class = "wrong-answer"
+                
+                with st.expander(f"Question {idx + 1}", expanded=True):                    
+                    if answer_data['user_answer'] == answer_data['correct_answer']:
+                        st.success(f"{answer_data['question']}")
+                        st.markdown(f"Your answer: {answer_data['user_answer']}")
+                        st.markdown(f"Correct answer: {answer_data['correct_answer']}")
+                        st.markdown(f"<div class='{color_class}'>Correct! ✅</div>", unsafe_allow_html=True)
+                    else:
+                        st.error(f"{answer_data['question']}")
+                        st.markdown(f"Your answer: {answer_data['user_answer']}")
+                        st.markdown(f"Correct answer: {answer_data['correct_answer']}")
+                        st.markdown(f"<div class='{color_class}'>Incorrect ❌</div>", unsafe_allow_html=True)
+                    
+
+
+# Subject page
+def show_subject_page(subject, questions):
+    st.title(f"{subject} Quiz")
+
+    # Sidebar components
+    with st.sidebar:
+        if st.button("Home"):
+            st.session_state.page = 'landing'
+            st.experimental_rerun()
+
+        # Mode selection
+        mode = st.radio(
+            "Select Mode:",
+            ['Practice', 'Test'],
+            key="mode_selection"
+        )
+
+        # Week selection
+        weeks = sorted(list(set(q['week'] for q in questions)))
+        selected_week = st.selectbox(
+            "Select Week:",
+            [None] + weeks,
+            format_func=lambda x: "All Weeks" if x is None else f"Week {x}"
+        )
+
+    if mode == 'Practice':
+        practice_mode(questions, selected_week)
+    else:
+        test_mode(questions, selected_week)
+
+def main():
+    # Initialize session state
+    init_session_state()
+    
+    # Load CSS
+    load_css()
+    
+    # Load questions
+    questions_data = load_questions()
+    
+    if not questions_data:
+        st.error("No question data available. Please check the data folder.")
+        return
+    
+    # Initialize page state if not exists
+    if 'page' not in st.session_state:
+        st.session_state.page = 'landing'
+    
+    # Navigation
+    if st.session_state.page == 'landing':
+        show_landing_page(questions_data.keys())
+    elif st.session_state.page == 'subject':
+        show_subject_page(
+            st.session_state.selected_subject,
+            questions_data[st.session_state.selected_subject]
+        )
+
+if __name__ == "__main__":
+    main()