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app.py

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+import pandas as pd 
+import streamlit as st 
+import plotly.express as px 
+import plotly.graph_objects as go 
+import airportsdata 
+import pycountry 
+airports = airportsdata.load('IATA') 
+st.set_page_config(layout='wide') 
+st.title(':orange[fly]:blue[dubai]')
+iata_code = st.text_input("Please enter the IATA code: ",max_chars=3).upper()
+print(iata_code)
+if st.button("Process: "):
+    print(airports[iata_code])
+    st.markdown("**ICAO Code:** "+airports[iata_code]['icao'])
+    st.markdown("**Airport Name:** "+airports[iata_code]['name'])
+    st.markdown("**City:** "+airports[iata_code]['city'])
+    st.markdown("**Subdivision:** "+airports[iata_code]['subd'])
+    st.markdown("**Country Code ISO-2:** "+airports[iata_code]['country'])
+    #getting the ISO-3 country code 
+    var = pycountry.countries.get(alpha_2=airports[iata_code]['country'])
+    st.markdown("**Country Code ISO-3:** "+pycountry.countries.get(alpha_2=airports[iata_code]['country']).alpha_3)

requirements.txt

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+pycountry
+streamlit
+pandas
+plotly
+airportsdata