Create app.py

app.py

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+import streamlit as st
+
+st.markdown("""
+# Level 3 Internet Communication Protocols
+
+# 📧 SMTP 
+    - Simple Mail Transfer Protocol: The standard protocol used for sending email messages over the internet. It defines how email clients and servers communicate and deliver messages.
+
+![image/png](https://cdn-uploads.huggingface.co/production/uploads/620630b603825909dcbeba35/G_8mUQTLXCxEy3MEPQgVW.png)
+
+# 💬 XMPP
+    - Extensible Messaging and Presence Protocol: A communication protocol used for instant messaging, presence information, and contact list management. It allows for interoperability between different messaging platforms.
+
+![image/png](https://cdn-uploads.huggingface.co/production/uploads/620630b603825909dcbeba35/8t-gsZAn9a7-hDUS642gF.png)
+
+# 🌐 HTTP 
+    - **Hypertext Transfer Protocol**: The foundation of data communication on the World Wide Web. It defines how web browsers and servers exchange information, enabling the retrieval and display of web pages.
+
+![image/png](https://cdn-uploads.huggingface.co/production/uploads/620630b603825909dcbeba35/PO815zKCWqbPmqnS8GKaV.png)
+
+""")
+
+
+st.markdown("""#Code:
+
+```
+import streamlit as st
+import smtplib
+from email.message import EmailMessage
+import http.client
+import requests
+
+# SMTP Example (Simplified)
+def smtp_client(server, port, from_email, to_email, subject, message):
+    msg = EmailMessage()
+    msg.set_content(message)
+    msg['Subject'] = subject
+    msg['From'] = from_email
+    msg['To'] = to_email
+
+    try:
+        with smtplib.SMTP(server, port) as smtp:
+            smtp.send_message(msg)
+        return "Email sent successfully!"
+    except Exception as e:
+        return f"Failed to send email: {e}"
+
+# HTTP Example
+def http_client(url):
+    try:
+        response = requests.get(url)
+        return response.text[:500]  # Return the first 500 characters for brevity
+    except Exception as e:
+        return f"Failed to retrieve the URL: {e}"
+
+# Streamlit UI
+st.title("Internet Communication Protocols Demo 🌐")
+
+# SMTP Section
+st.header("SMTP Demo 📧")
+smtp_server = st.text_input("SMTP Server", value="smtp.example.com")
+smtp_port = st.text_input("SMTP Port", value="587")
+from_email = st.text_input("From Email", value="from@example.com")
+to_email = st.text_input("To Email", value="to@example.com")
+subject = st.text_input("Subject", value="Test Email")
+message = st.text_area("Message", value="This is a test email.")
+if st.button("Send Email"):
+    result = smtp_client(smtp_server, smtp_port, from_email, to_email, subject, message)
+    st.success(result)
+
+# HTTP Section
+st.header("HTTP Demo 🌐")
+url = st.text_input("URL to fetch", value="http://example.com")
+if st.button("Fetch URL"):
+    result = http_client(url)
+    st.text_area("Response", value=result, height=250)
+```
+
+```
+import streamlit as st
+from slixmpp import ClientXMPP
+from slixmpp.exceptions import IqError, IqTimeout
+
+class SendMsgBot(ClientXMPP):
+    def __init__(self, jid, password, recipient, message):
+        ClientXMPP.__init__(self, jid, password)
+        self.recipient = recipient
+        self.msg = message
+        self.add_event_handler("session_start", self.session_start)
+
+    def session_start(self, event):
+        self.send_presence()
+        self.get_roster()
+        try:
+            self.send_message(mto=self.recipient, mbody=self.msg, mtype='chat')
+        except IqError as err:
+            st.error(f"Could not send message: {err.iq['error']['text']}")
+            self.disconnect()
+        except IqTimeout:
+            st.error("Server not responding")
+            self.disconnect()
+        else:
+            st.success("Message sent successfully!")
+            self.disconnect()
+
+# XMPP Section in Streamlit UI
+st.header("XMPP Demo 💬")
+jid = st.text_input("Jabber ID", value="user@server.com")
+password = st.text_input("Password", type="password")
+recipient = st.text_input("Recipient JID", value="friend@server.com")
+message = st.text_area("Message to send")
+
+if st.button("Send XMPP Message"):
+    if jid and password and recipient and message:
+        xmpp = SendMsgBot(jid, password, recipient, message)
+        xmpp.connect()
+        xmpp.process(forever=False)
+    else:
+        st.error("Please fill in all fields.")
+
+```
+
+""")
+
+
+
+