Update app.py

app.py

@@ -65,4 +65,7 @@ st.markdown("""
     """, unsafe_allow_html=True)
 st.title("INTRODUCTION TO DATA ANALYSIS")
 st.header("What does the term data refers to?")
-st.subheader("Data")
+st.subheader("Data")
+st.markdown("""
+    Data refers to a collection of information gathered from various sources. Here are a few examples:
+""", unsafe_allow_html=True)