Create app.py

app.py

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+import streamlit as st
+
+# Title of the app
+st.title("🌍 Currency Converter App")
+
+# Static exchange rates (base currency: USD)
+# Note: These rates are for demonstration purposes only and may not reflect real-world values.
+exchange_rates = {
+    "PKR": 279.50,  # Pakistani Rupee
+    "USD": 1.0,     # US Dollar
+    "CNY": 7.20,    # Chinese Yuan
+    "INR": 83.00,   # Indian Rupee
+    "RUB": 92.00,   # Russian Ruble
+    "JPY": 149.00,  # Japanese Yen
+    "EUR": 0.93,    # Euro (Germany, France, Italy, etc.)
+    "GBP": 0.80,    # British Pound
+    "BRL": 5.00,    # Brazilian Real
+    "CAD": 1.35,    # Canadian Dollar
+    "AUD": 1.55,    # Australian Dollar
+    "KRW": 1300.00, # South Korean Won
+    "MXN": 18.00,   # Mexican Peso
+    "IDR": 15500.00,# Indonesian Rupiah
+    "TRY": 30.00,   # Turkish Lira
+    "SAR": 3.75,    # Saudi Riyal
+    "CHF": 0.90,    # Swiss Franc
+    "ARS": 800.00,  # Argentine Peso
+    "ZAR": 19.00,   # South African Rand
+    "EGP": 30.00,   # Egyptian Pound
+    "THB": 36.00,   # Thai Baht
+    "SEK": 10.50,   # Swedish Krona
+    "NOK": 10.00,   # Norwegian Krone
+    "PLN": 4.20,    # Polish Złoty
+    "MYR": 4.70,    # Malaysian Ringgit
+    "SGD": 1.35,    # Singapore Dollar
+    "PHP": 56.00,   # Philippine Peso
+    "VND": 24000.00,# Vietnamese Dong
+    "DKK": 6.90,    # Danish Krone
+    "IRR": 42000.00,# Iranian Rial
+    "IQD": 1300.00, # Iraqi Dinar
+    "ILS": 3.90,    # Israeli Shekel
+    "AED": 3.67,    # UAE Dirham
+    "NGN": 900.00,  # Nigerian Naira
+    "KES": 150.00,  # Kenyan Shilling
+    "COP": 4000.00, # Colombian Peso
+    "CLP": 900.00,  # Chilean Peso
+    "PEN": 3.80,    # Peruvian Sol
+    "NZD": 1.65,    # New Zealand Dollar
+    "BDT": 110.00,  # Bangladeshi Taka
+    "LKR": 320.00,  # Sri Lankan Rupee
+    "NPR": 130.00,  # Nepalese Rupee
+    "AFN": 85.00,   # Afghan Afghani
+    "QAR": 3.64,    # Qatari Riyal
+}
+
+# List of countries and their currency codes
+country_currencies = {
+    "Pakistan": "PKR",
+    "United States": "USD",
+    "China": "CNY",
+    "India": "INR",
+    "Russia": "RUB",
+    "Japan": "JPY",
+    "Germany": "EUR",
+    "United Kingdom": "GBP",
+    "France": "EUR",
+    "Brazil": "BRL",
+    "Canada": "CAD",
+    "Australia": "AUD",
+    "Italy": "EUR",
+    "South Korea": "KRW",
+    "Spain": "EUR",
+    "Mexico": "MXN",
+    "Indonesia": "IDR",
+    "Turkey": "TRY",
+    "Saudi Arabia": "SAR",
+    "Switzerland": "CHF",
+    "Netherlands": "EUR",
+    "Argentina": "ARS",
+    "South Africa": "ZAR",
+    "Egypt": "EGP",
+    "Thailand": "THB",
+    "Sweden": "SEK",
+    "Norway": "NOK",
+    "Poland": "PLN",
+    "Malaysia": "MYR",
+    "Singapore": "SGD",
+    "Philippines": "PHP",
+    "Vietnam": "VND",
+    "Greece": "EUR",
+    "Portugal": "EUR",
+    "Denmark": "DKK",
+    "Iran": "IRR",
+    "Iraq": "IQD",
+    "Israel": "ILS",
+    "UAE (United Arab Emirates)": "AED",
+    "Nigeria": "NGN",
+    "Kenya": "KES",
+    "Colombia": "COP",
+    "Chile": "CLP",
+    "Peru": "PEN",
+    "New Zealand": "NZD",
+    "Bangladesh": "BDT",
+    "Sri Lanka": "LKR",
+    "Nepal": "NPR",
+    "Afghanistan": "AFN",
+    "Qatar": "QAR",
+}
+
+# Function to convert currency
+def convert_currency(amount, from_currency, to_currency):
+    if from_currency == to_currency:
+        return amount
+    # Convert to USD first, then to the target currency
+    amount_in_usd = amount / exchange_rates[from_currency]
+    converted_amount = amount_in_usd * exchange_rates[to_currency]
+    return converted_amount
+
+# Streamlit UI
+st.write("### Select Currencies and Amount")
+
+# Dropdown for selecting source and target currencies
+from_currency = st.selectbox("From Currency", list(country_currencies.values()), key="from_currency")
+to_currency = st.selectbox("To Currency", list(country_currencies.values()), key="to_currency")
+
+# Input for amount
+amount = st.number_input("Amount", min_value=0.01, value=1.00, step=0.01)
+
+# Convert button
+if st.button("Convert"):
+    converted_amount = convert_currency(amount, from_currency, to_currency)
+    st.success(f"**{amount} {from_currency} = {converted_amount:.2f} {to_currency}**")
+
+# Footer
+st.write("---")
+st.write("**Note:** Exchange rates are static and for demonstration purposes only.")