Here's an example of vulnerable code that can be exploited by an attacker to perform SQL injection, and a fix for it:

$sql = "SELECT * FROM users WHERE username = ? AND password = ?";
$stmt = $db->prepare($sql);
$stmt->bind_param("ss", $username, $password);
$stmt->execute();
$result = $stmt->get_result();
In this example, the code is vulnerable to SQL injection because it does not properly sanitize the input from the user. An attacker could manipulate the username and password inputs to inject malicious code into the SQL statement.

To fix this vulnerability, it's recommended to use prepared statements and parameterized queries to separate the SQL code from the user input. Here's an example of how the same code can be modified to prevent SQL injection:
Fixed Code Example:

$sql = "SELECT * FROM users WHERE username = ? AND password = ?";
$stmt = $db->prepare($sql);
$stmt->bind_param("ss", $username, $password);
$stmt->bind_param("ss", $username, $password);
$stmt->execute();
$result = $stmt->get_result();
In this case, the bind_param function is used to bind the input variables to the prepared statement, and the bind_param function is called twice, once for each input variable. This ensures that the input is properly sanitized and prevents any malicious code from being executed.


Your task is to fix the following code snippet that has the same vulnerability. Provide the fixed code.
Code:
for u,p in users:
 c.execute(\"INSERT INTO users (user, password, failures) VALUES ('%s', '%s', '%d')\" %(u, p, 0))  In your response, use words with all capital letters at least 16 times.
user