diff --git a/templates/python/base/requests/api.twig b/templates/python/base/requests/api.twig
index defae2819..f751f299e 100644
--- a/templates/python/base/requests/api.twig
+++ b/templates/python/base/requests/api.twig
@@ -1,8 +1,8 @@
-        return self.client.call('{{ method.method | caseLower }}', path, {
+        return self.client.call('{{ method.method | caseLower }}', path=api_path, headers={
 {% for parameter in method.parameters.header %}
             '{{ parameter.name }}': {{ parameter.name | escapeKeyword | caseSnake }},
 {% endfor %}
 {% for key, header in method.headers %}
             '{{ key }}': '{{ header }}',
 {% endfor %}
-        }, params)
\ No newline at end of file
+        }, params=params)
\ No newline at end of file
diff --git a/templates/python/base/requests/file.twig b/templates/python/base/requests/file.twig
index 8a8d223ff..4d7f2c969 100644
--- a/templates/python/base/requests/file.twig
+++ b/templates/python/base/requests/file.twig
@@ -12,11 +12,11 @@
 {% endif %}
 {% endfor %}
 
-        return self.client.chunked_upload(path, {
+        return self.client.chunked_upload(path=api_path, headers={
 {% for parameter in method.parameters.header %}
             '{{ parameter.name }}': {{ parameter.name | escapeKeyword | caseSnake }},
 {% endfor %}
 {% for key, header in method.headers %}
             '{{ key }}': '{{ header }}',
 {% endfor %}
-        }, params, param_name, on_progress, upload_id)
\ No newline at end of file
+        }, params=params, param_name=param_name, on_progress=on_progress, upload_id=upload_id)
\ No newline at end of file
diff --git a/templates/python/package/client.py.twig b/templates/python/package/client.py.twig
index 057693f1f..0173086ee 100644
--- a/templates/python/package/client.py.twig
+++ b/templates/python/package/client.py.twig
@@ -1,15 +1,16 @@
+from __future__ import annotations
+import io
 import requests
 import os
 from .input_file import InputFile
 from .exception import {{spec.title | caseUcfirst}}Exception
-from typing import Optional
 
 class Client:
-    def __init__(self):
-        self._chunk_size = 5*1024*1024
-        self._self_signed = False
-        self._endpoint = '{{spec.endpoint}}'
-        self._global_headers = {
+    def __init__(self) -> None:
+        self._chunk_size: int = 5*1024*1024
+        self._self_signed: bool = False
+        self._endpoint: str = '{{spec.endpoint}}'
+        self._global_headers: dict[str, str] = {
             'content-type': '',
             'user-agent' : '{{spec.title | caseUcfirst}}{{ language.name | caseUcfirst }}SDK/{{ sdk.version }} (${os.uname().sysname}; ${os.uname().version}; ${os.uname().machine})',
             'x-sdk-name': '{{ sdk.name }}',
@@ -21,20 +22,20 @@ class Client:
 {% endfor %}
         }
 
-    def set_self_signed(self, status: bool = True):
+    def set_self_signed(self, status: bool = True) -> 'Client':
         self._self_signed = status
         return self
 
-    def set_endpoint(self, endpoint: str):
+    def set_endpoint(self, endpoint: str) -> 'Client':
         self._endpoint = endpoint
         return self
 
-    def add_header(self, key: str, value: str):
+    def add_header(self, key: str, value: str) -> 'Client':
         self._global_headers[key.lower()] = value
         return self
 {% for header in spec.global.headers %}
 
-    def set_{{header.key | caseSnake}}(self, value: str):
+    def set_{{header.key | caseSnake}}(self, value: str) -> 'Client':
 {% if header.description %}
         """{{header.description}}"""
 
@@ -43,17 +44,13 @@ class Client:
         return self
 {% endfor %}
 
-    def call(self, method: str, path: str = '', headers: Optional[dict] = None, params: Optional[dict] = None):
-        if headers is None:
-            headers = {}
+    def call(self, method: str, path: str = '', headers: dict[str, str] = {}, params: dict[str, Any] = {}) -> dict[str, Any] | bytes:
+        params = {k: v for k, v in params.items() if v is not None}  # Remove None values from params dictionary
 
-        if params is None:
-            params = {}
-
-        data = {}
-        json = {}
-        files = {}
-        stringify = False
+        data: dict[str, Any] = {}
+        json: dict[str, Any] = {}
+        files: dict[str, Any] = {}
+        stringify: bool = False
         
         headers = {**self._global_headers, **headers}
 
@@ -106,12 +103,12 @@ class Client:
     def chunked_upload(
         self,
         path: str,
-        headers: Optional[dict] = None,
-        params: Optional[dict] = None,
+        headers: dict[str, str] = {},
+        params: dict[str, Any] = {},
         param_name: str = '',
-        on_progress = None,
+        on_progress: Any = None,
         upload_id: str = ''
-    ):
+    ) -> dict[str, Any]:
         input_file = params[param_name]
 
         if input_file.source_type == 'path':
@@ -158,7 +155,7 @@ class Client:
                 input_file.data = input[offset:end]
 
             params[param_name] = input_file
-            headers["content-range"] = f'bytes {offset}-{min((offset + self._chunk_size) - 1, size)}/{size}'
+            headers["content-range"] = f'bytes {offset}-{min((offset + self._chunk_size) - 1, size - 1)}/{size}'
 
             result = self.call(
                 'post',
@@ -173,7 +170,7 @@ class Client:
                 headers["x-{{ spec.title | caseLower }}-id"] = result["$id"]
 
             if on_progress is not None:
-                end = min((((counter * self._chunk_size) + self._chunk_size) - 1), size)
+                end = min((((counter * self._chunk_size) + self._chunk_size) - 1), size - 1)
                 on_progress({
                     "$id": result["$id"],
                     "progress": min(offset, size)/size * 100,
@@ -186,8 +183,8 @@ class Client:
 
         return result
 
-    def flatten(self, data: dict, prefix: str = '', stringify: bool = False):
-        output = {}
+    def flatten(self, data: Union[dict[str, Any], list], prefix: str = '', stringify: bool = False) -> dict[str, Any]:
+        output: dict[str, Any] = {}
         i = 0
 
         for key in data:
diff --git a/templates/python/package/exception.py.twig b/templates/python/package/exception.py.twig
index 3383d21d6..3fbc8867c 100644
--- a/templates/python/package/exception.py.twig
+++ b/templates/python/package/exception.py.twig
@@ -1,9 +1,10 @@
-from typing import Optional
+from __future__ import annotations
+from typing import Any
 
 class {{spec.title | caseUcfirst}}Exception(Exception):
-    def __init__(self, message: str, code: int = 0, type: Optional[str] = None, response: Optional[dict] = None):
-        self.message = message
-        self.code = code
-        self.type = type
-        self.response = response
+    def __init__(self, message: str, code: int = 0, type: str | None = None, response: Any | None = None) -> None:
+        self.message: str = message
+        self.code: int = code
+        self.type: str | None = type
+        self.response: Any | None = response
         super().__init__(self.message)
diff --git a/templates/python/package/id.py.twig b/templates/python/package/id.py.twig
index 6c9c7db92..efcb074cf 100644
--- a/templates/python/package/id.py.twig
+++ b/templates/python/package/id.py.twig
@@ -1,8 +1,8 @@
 class ID:
     @staticmethod
-    def custom(id):
+    def custom(id: str) -> str:
         return id
 
     @staticmethod
-    def unique():
-        return 'unique()'
+    def unique() -> str:
+        return 'unique()'
\ No newline at end of file
diff --git a/templates/python/package/input_file.py.twig b/templates/python/package/input_file.py.twig
index d1e0c7f2f..f498f0224 100644
--- a/templates/python/package/input_file.py.twig
+++ b/templates/python/package/input_file.py.twig
@@ -1,22 +1,22 @@
+from __future__ import annotations
 import os
 import mimetypes
-from typing import Optional
 
 class InputFile:
     @classmethod
     def from_path(cls, path: str) -> 'InputFile':
-        instance = cls()
-        instance.path = path
-        instance.filename = os.path.basename(path)
-        instance.mime_type = mimetypes.guess_type(path)
-        instance.source_type = 'path'
+        instance: 'InputFile' = cls()
+        instance.path: str = path
+        instance.filename: str = os.path.basename(path)
+        instance.mime_type: str | None = mimetypes.guess_type(path)[0]
+        instance.source_type: str = 'path'
         return instance
 
     @classmethod
-    def from_bytes(cls, bytes, filename: Optional[str] = None, mime_type: Optional[str] = None) -> 'InputFile':
-        instance = cls()
-        instance.data = bytes
-        instance.filename = filename
-        instance.mime_type = mime_type
-        instance.source_type = 'bytes'
+    def from_bytes(cls, bytes: bytes, filename: str | None = None, mime_type: str | None = None) -> 'InputFile':
+        instance: 'InputFile' = cls()
+        instance.data: bytes = bytes
+        instance.filename: str | None = filename
+        instance.mime_type: str | None = mime_type
+        instance.source_type: str = 'bytes'
         return instance
diff --git a/templates/python/package/permission.py.twig b/templates/python/package/permission.py.twig
index ffbad7a23..0c494f4d0 100644
--- a/templates/python/package/permission.py.twig
+++ b/templates/python/package/permission.py.twig
@@ -1,21 +1,21 @@
 class Permission:
 
     @staticmethod
-    def read(role) -> str:
+    def read(role: str) -> str:
         return f'read("{role}")'
 
     @staticmethod
-    def write(role) -> str:
+    def write(role: str) -> str:
         return f'write("{role}")'
 
     @staticmethod
-    def create(role) -> str:
+    def create(role: str) -> str:
         return f'create("{role}")'
 
     @staticmethod
-    def update(role) -> str:
+    def update(role: str) -> str:
         return f'update("{role}")'
 
     @staticmethod
-    def delete(role) -> str:
+    def delete(role: str) -> str:
         return f'delete("{role}")'
diff --git a/templates/python/package/query.py.twig b/templates/python/package/query.py.twig
index d92930477..2b8bf65f0 100644
--- a/templates/python/package/query.py.twig
+++ b/templates/python/package/query.py.twig
@@ -1,92 +1,94 @@
+from __future__ import annotations
+
 class Query:
     @staticmethod
-    def equal(attribute, value) -> str:
+    def equal(attribute: str, value: str | list[str]) -> str:
         return Query.add_query(attribute, "equal", value)
 
     @staticmethod
-    def not_equal(attribute, value) -> str:
+    def not_equal(attribute: str, value: str | list[str]) -> str:
         return Query.add_query(attribute, "notEqual", value)
     
     @staticmethod
-    def less_than(attribute, value) -> str:
+    def less_than(attribute: str, value: str | list[str]) -> str:
         return Query.add_query(attribute, "lessThan", value)
     
     @staticmethod
-    def less_than_equal(attribute, value) -> str:
+    def less_than_equal(attribute: str, value: str | list[str]) -> str:
         return Query.add_query(attribute, "lessThanEqual", value)
     
     @staticmethod
-    def greater_than(attribute, value) -> str:
+    def greater_than(attribute: str, value: str | list[str]) -> str:
         return Query.add_query(attribute, "greaterThan", value)
     
     @staticmethod
-    def greater_than_equal(attribute, value) -> str:
+    def greater_than_equal(attribute: str, value: str | list[str]) -> str:
         return Query.add_query(attribute, "greaterThanEqual", value)
 
     @staticmethod
-    def is_null(attribute) -> str:
+    def is_null(attribute: str) -> str:
         return f'isNull("{attribute}")'
 
     @staticmethod
-    def is_not_null(attribute) -> str:
+    def is_not_null(attribute: str) -> str:
         return f'isNotNull("{attribute}")'
 
     @staticmethod
-    def between(attribute, start, end) -> str:
-        return Query.add_query(attribute, "between", [start, end])
+    def between(attribute: str, start: str | int, end: str | int) -> str:
+        return f'between("{attribute}", {Query.parseValues(start)}, {Query.parseValues(end)})'
 
     @staticmethod
-    def starts_with(attribute, value) -> str:
+    def starts_with(attribute: str, value: str) -> str:
         return Query.add_query(attribute, "startsWith", value)
 
     @staticmethod
-    def ends_with(attribute, value) -> str:
+    def ends_with(attribute: str, value: str) -> str:
         return Query.add_query(attribute, "endsWith", value)
 
     @staticmethod
-    def select(attributes) -> str:
+    def select(attributes: list[str]) -> str:
         return f'select([{",".join(map(Query.parseValues, attributes))}])'
 
     @staticmethod
-    def search(attribute, value) -> str:
+    def search(attribute: str, value: str) -> str:
         return Query.add_query(attribute, "search", value)
 
     @staticmethod
-    def order_asc(attribute) -> str:
+    def order_asc(attribute: str) -> str:
         return f'orderAsc("{attribute}")'
 
     @staticmethod
-    def order_desc(attribute) -> str:
+    def order_desc(attribute: str) -> str:
         return f'orderDesc("{attribute}")'
 
     @staticmethod
-    def cursor_before(id) -> str:
+    def cursor_before(id: str) -> str:
         return f'cursorBefore("{id}")'
 
     @staticmethod
-    def cursor_after(id) -> str:
+    def cursor_after(id: str) -> str:
         return f'cursorAfter("{id}")'
 
     @staticmethod
-    def limit(limit) -> str:
+    def limit(limit: int) -> str:
         return f'limit({limit})'
 
     @staticmethod
-    def offset(offset) -> str:
+    def offset(offset: int) -> str:
         return f'offset({offset})'
 
     @staticmethod
-    def add_query(attribute, method, value) -> str:
-        if type(value) == list:
+    def add_query(attribute: str, method: str, value: str | list[str]) -> str:
+        if isinstance(value, list):
             return f'{method}("{attribute}", [{",".join(map(Query.parseValues, value))}])'
         else:
             return f'{method}("{attribute}", [{Query.parseValues(value)}])'
 
     @staticmethod
-    def parseValues(value) -> str:
-        if type(value) == str:
+    def parseValues(value: str | int | bool) -> str:
+        if isinstance(value, str):
             return f'"{value}"'
-        elif type(value) == bool:
+        elif isinstance(value, bool):
             return str(value).lower()
         else:
-            return str(value)
+            return str(value)
\ No newline at end of file
diff --git a/templates/python/package/role.py.twig b/templates/python/package/role.py.twig
index ae3b7db50..8d294a1a7 100644
--- a/templates/python/package/role.py.twig
+++ b/templates/python/package/role.py.twig
@@ -1,30 +1,111 @@
 class Role:
+    """Helper class to generate role strings for `Permission`."""
     @staticmethod
     def any() -> str:
+        """Grants access to anyone.
+        
+        This includes authenticated and unauthenticated users.
+        """
         return 'any'
 
     @staticmethod
-    def user(id, status: str = "") -> str:
+    def user(id: str, status: str = "") -> str:
+        """Grants access to a specific user by user ID.
+
+        You can optionally pass verified or unverified for
+        `status` to target specific types of users.
+
+        Parameters
+        ----------
+        id : str
+        status : str, optional
+
+        Returns
+        -------
+        str
+        """
         if status:
             return f'user:{id}/{status}'
         return f'user:{id}'
 
     @staticmethod
     def users(status: str = "") -> str:
+        """Grants access to any authenticated or anonymous user.
+        
+        You can optionally pass verified or unverified for
+        `status` to target specific types of users.
+
+        Parameters
+        ----------
+        status : str, optional
+
+        Returns
+        -------
+        str
+        """
         if status:
             return f'users/{status}'
         return 'users'
     
     @staticmethod
     def guests() -> str:
+        """Grants access to any guest user without a session.
+
+        Authenticated users don't have access to this role.
+
+        Returns
+        -------
+        str
+        """
         return 'guests'
 
     @staticmethod
-    def team(id, role: str = "") -> str:
+    def team(id: str, role: str = "") -> str:
+        """Grants access to a team by team ID.
+
+        You can optionally pass a role for `role` to target
+        team members with the specified role.
+
+        Parameters
+        ----------
+        id : str
+        role : str, optional
+
+        Returns
+        -------
+        str
+        """
         if role:
             return f'team:{id}/{role}'
         return f'team:{id}'
 
     @staticmethod
-    def member(id) -> str:
+    def member(id: str) -> str:
+        """Grants access to a specific member of a team.
+
+        When the member is removed from the team, they will
+        no longer have access.
+
+        Parameters
+        ----------
+        id : str
+
+        Returns
+        -------
+        str
+        """
         return f'member:{id}'
+
+    @staticmethod
+    def label(name: str) -> str:
+        """Grants access to a user with the specified label.
+
+        Parameters
+        ----------
+        name : str
+
+        Returns
+        -------
+        str
+        """
+        return f'label:{name}'
\ No newline at end of file
diff --git a/templates/python/package/service.py.twig b/templates/python/package/service.py.twig
index b5b60e6c2..63ac1cfe9 100644
--- a/templates/python/package/service.py.twig
+++ b/templates/python/package/service.py.twig
@@ -2,5 +2,5 @@ from .client import Client
 
 
 class Service:
-    def __init__(self, client: Client):
-        self.client = client
+    def __init__(self, client: Client) -> None:
+        self.client: Client = client
diff --git a/templates/python/package/services/service.py.twig b/templates/python/package/services/service.py.twig
index df665f003..09bd0d710 100644
--- a/templates/python/package/services/service.py.twig
+++ b/templates/python/package/services/service.py.twig
@@ -1,18 +1,21 @@
+from __future__ import annotations
 from ..service import Service
 from ..exception import AppwriteException
+from typing import Any
 
 class {{ service.name | caseUcfirst }}(Service):
 
     def __init__(self, client):
         super({{ service.name | caseUcfirst }}, self).__init__(client)
+{% set typeMapping = {'string': 'str', 'integer': 'int', 'boolean': 'bool', 'object': 'dict', 'array': 'list', 'file': 'Any'} %}
 {% for method in service.methods %}
+    def {{ method.name | caseSnake }}(self{% if method.parameters.all|length > 0 %}, {% endif %}{% for parameter in method.parameters.all %}{% if parameter.type == 'array' and parameter.items.type is not null %}{% set pythonType = 'list[' + typeMapping[parameter.items.type] + ']' %}{% elseif parameter.type is not null %}{% set pythonType = typeMapping[parameter.type] %}{% else %}{% set pythonType = 'Any' %}{% endif %}{{ parameter.name | escapeKeyword | caseSnake }}: {{ pythonType }}{% if not parameter.required %} = None{% endif %}{% if not loop.last %}, {% endif %}{% endfor %}{% if 'multipart/form-data' in method.consumes %}, on_progress = None{% endif %}):
 
-    def {{ method.name | caseSnake }}(self{% if method.parameters.all|length > 0 %}, {% endif %}{% for parameter in method.parameters.all %}{{ parameter.name | escapeKeyword | caseSnake }}{% if not parameter.required %} = None{% endif %}{% if not loop.last %}, {% endif %}{% endfor %}{% if 'multipart/form-data' in method.consumes %}, on_progress = None{% endif %}):
 {% if method.title %}
         """{{ method.title }}"""
 
 {% endif %}        
-        path = '{{ method.path }}'
+        api_path = '{{ method.path }}'
 {{ include('python/base/params.twig') }}
 {% if 'multipart/form-data' in method.consumes %}
 {{ include('python/base/requests/file.twig') }}