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requirements.txt

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+streamlit

simpleapp1.py

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+import streamlit as st
+
+def main():
+    st.title("Mood Checker")
+
+    name = st.text_input("What's your name?")
+    mood = st.selectbox("How are you feeling today?", ("Happy", "Sad", "Angry", "Excited", "Bored"))
+
+    if st.button("Submit"):
+        st.write(f"Hello, {name}! You're feeling {mood}.")
+
+if __name__ == "__main__":
+    main()