We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
missing_number algorithm dosen't work as intended (bit_manipulation/missing_number.py)
### Repository commit

d0c54acd75cedf14cff353869482a0487fea1697

### Python version (python --version)

Python 3.12.0

### Dependencies version (pip freeze)

setuptools==68.2.2
wheel==0.41.2

### Expected behavior

for array [1,3,4,5,6] the output should be 2

### Actual behavior

the output got is 4

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `bit_manipulation/missing_number.py`
Content:
```
1 def find_missing_number(nums: list[int]) -> int:
2     """
3     Finds the missing number in a list of consecutive integers.
4 
5     Args:
6         nums: A list of integers.
7 
8     Returns:
9         The missing number.
10 
11     Example:
12         >>> find_missing_number([0, 1, 3, 4])
13         2
14     """
15     n = len(nums)
16     missing_number = n
17 
18     for i in range(n):
19         missing_number ^= i ^ nums[i]
20 
21     return missing_number
22
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/bit_manipulation/missing_number.py b/bit_manipulation/missing_number.py
--- a/bit_manipulation/missing_number.py
+++ b/bit_manipulation/missing_number.py
@@ -11,11 +11,18 @@
     Example:
         >>> find_missing_number([0, 1, 3, 4])
         2
+        >>> find_missing_number([1, 3, 4, 5, 6])
+        2
+        >>> find_missing_number([6, 5, 4, 2, 1])
+        3
+        >>> find_missing_number([6, 1, 5, 3, 4])
+        2
     """
-    n = len(nums)
-    missing_number = n
+    low = min(nums)
+    high = max(nums)
+    missing_number = high
 
-    for i in range(n):
-        missing_number ^= i ^ nums[i]
+    for i in range(low, high):
+        missing_number ^= i ^ nums[i - low]
 
     return missing_number

{"golden_diff": "diff --git a/bit_manipulation/missing_number.py b/bit_manipulation/missing_number.py\n--- a/bit_manipulation/missing_number.py\n+++ b/bit_manipulation/missing_number.py\n@@ -11,11 +11,18 @@\n     Example:\n         >>> find_missing_number([0, 1, 3, 4])\n         2\n+        >>> find_missing_number([1, 3, 4, 5, 6])\n+        2\n+        >>> find_missing_number([6, 5, 4, 2, 1])\n+        3\n+        >>> find_missing_number([6, 1, 5, 3, 4])\n+        2\n     \"\"\"\n-    n = len(nums)\n-    missing_number = n\n+    low = min(nums)\n+    high = max(nums)\n+    missing_number = high\n \n-    for i in range(n):\n-        missing_number ^= i ^ nums[i]\n+    for i in range(low, high):\n+        missing_number ^= i ^ nums[i - low]\n \n     return missing_number\n", "issue": "missing_number algorithm dosen't work as intended (bit_manipulation/missing_number.py)\n### Repository commit\n\nd0c54acd75cedf14cff353869482a0487fea1697\n\n### Python version (python --version)\n\nPython 3.12.0\n\n### Dependencies version (pip freeze)\n\nsetuptools==68.2.2\r\nwheel==0.41.2\n\n### Expected behavior\n\nfor array [1,3,4,5,6] the output should be 2\n\n### Actual behavior\n\nthe output got is 4\n", "before_files": [{"content": "def find_missing_number(nums: list[int]) -> int:\n    \"\"\"\n    Finds the missing number in a list of consecutive integers.\n\n    Args:\n        nums: A list of integers.\n\n    Returns:\n        The missing number.\n\n    Example:\n        >>> find_missing_number([0, 1, 3, 4])\n        2\n    \"\"\"\n    n = len(nums)\n    missing_number = n\n\n    for i in range(n):\n        missing_number ^= i ^ nums[i]\n\n    return missing_number\n", "path": "bit_manipulation/missing_number.py"}], "after_files": [{"content": "def find_missing_number(nums: list[int]) -> int:\n    \"\"\"\n    Finds the missing number in a list of consecutive integers.\n\n    Args:\n        nums: A list of integers.\n\n    Returns:\n        The missing number.\n\n    Example:\n        >>> find_missing_number([0, 1, 3, 4])\n        2\n        >>> find_missing_number([1, 3, 4, 5, 6])\n        2\n        >>> find_missing_number([6, 5, 4, 2, 1])\n        3\n        >>> find_missing_number([6, 1, 5, 3, 4])\n        2\n    \"\"\"\n    low = min(nums)\n    high = max(nums)\n    missing_number = high\n\n    for i in range(low, high):\n        missing_number ^= i ^ nums[i - low]\n\n    return missing_number\n", "path": "bit_manipulation/missing_number.py"}]}