login in swift in swift

Here's a basic example of how to perform user authentication and login using Firebase in Swift:

main.swift
import Firebase

// Perform user login with email and password
Auth.auth().signIn(withEmail: "user@example.com", password: "password") { (authResult, error) in
  if let error = error {
    print("Error logging in: \(error.localizedDescription)")
    return
  }
  // User is signed in
  print("User logged in!")
}
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You'll need to set up your Firebase project and integrate the Firebase SDK into your project before you can use this code. Also, remember to handle errors appropriately and provide a user-friendly UI for the login process.

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