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import streamlit as st |
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import importlib |
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module_names = { |
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"Presentation in bases 2, 10, 8, and 16": "presentation_bases", |
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"Valid or invalid numbers in each base": "valid_invalid_numbers", |
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"Conversion with and without fractions among four bases of 10, 2, 8, and 16": "conversion_bases", |
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"Using grouping techniques for conversion between 2 and 8 and 16": "grouping_techniques", |
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"Addition in base 2, 8, and 16": "addition_bases", |
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"2's complement questions": "twos_complement", |
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"Negative binary numbers": "negative_binary", |
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"Subtraction in base 2 using 2's complement method": "subtraction_bases", |
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} |
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st.sidebar.title("Multiple Choice Quiz") |
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module_name = st.sidebar.radio("Choose a module:", list(module_names.keys())) |
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if module_name: |
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module_file = module_names[module_name] |
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try: |
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module = importlib.import_module(f'modules.{module_file}') |
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generate_question = module.generate_question |
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question, options, correct_answer, explanation = generate_question() |
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st.write(f"**Question:** {question}") |
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answer = st.radio("Choose an answer:", options) |
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if st.button("Submit"): |
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if answer == correct_answer: |
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st.success("Correct!", icon="✅") |
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st.write(f"**Explanation:** {explanation}") |
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else: |
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st.error("Incorrect.", icon="❌") |
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st.write(f"**Explanation:** {explanation}") |
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except ModuleNotFoundError: |
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st.error(f"The module '{module_name}' was not found. Please select another module.") |
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