diff --git a/README.md b/README.md
index fbad901..2adae5b 100755
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ A Fully Async-based backend for [Code Inbox](https://github.com/wiseaidev/code-i
 ## Development Requirements
 
 - Make (GNU command)
-- Python (>= 3.9)
+- Python (>= 3.9.10)
 - Poetry (1.6)
 
 ---
diff --git a/pyproject.toml b/pyproject.toml
index 998ea7f..9665fc4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.10.10"
+python = "^3.9.10"
 fastapi = "^0.103.1"
 uvicorn = {extras = ["standard"], version = "^0.23.2"}
 pydantic = {extras = ["email"], version = "^1.10.12"}
diff --git a/src/nylas/crud.py b/src/nylas/crud.py
index a14ec83..c68d25c 100644
--- a/src/nylas/crud.py
+++ b/src/nylas/crud.py
@@ -145,7 +145,6 @@ async def login_user(token: str, session: AIOSession) -> Dict[str, Any]:
     email_address = access_token_obj["email_address"]
 
     user_obj = await find_existed_user(email_address, session)
-    print(user_obj)
 
     if not user_obj:
         await create_user(email_address, session)
diff --git a/src/nylas/router.py b/src/nylas/router.py
index 77df2d0..b81f817 100644
--- a/src/nylas/router.py
+++ b/src/nylas/router.py
@@ -159,7 +159,6 @@ async def send_email(
         draft["bcc"] = [{"email": request_body.bcc}]
     draft["body"] = request_body.message
     draft["from"] = [{"email": current_user.email}]
-    print(draft)
     message = draft.send()
     return message
 
@@ -205,7 +204,6 @@ async def delete_label(
 
     removed_item = code_app.state.nylas.labels.delete(id=item_id)
     if removed_item:
-        print(f"Removed item: {removed_item}")
         return {"message": "Item deleted"}
     return {"message": "Item not found"}
 
@@ -389,7 +387,6 @@ async def execute_code(
                 await asyncio.sleep(1)
 
                 if asyncio.get_event_loop().time() - start_time > timeout:
-                    print("Timeout")
                     submission_status_dict[submission_token] = "Timeout"
                     break
 
@@ -403,7 +400,6 @@ async def execute_code(
                     print(new_response.json())
                     submission_stdout = new_response.json()["stdout"]
                     if submission_stdout:
-                        print("Finished")
                         submission_status_dict[submission_token] = "Finished"
                         result = new_response.json()
                         break
diff --git a/src/users/crud.py b/src/users/crud.py
index 103afc8..2081409 100644
--- a/src/users/crud.py
+++ b/src/users/crud.py
@@ -113,6 +113,8 @@ async def update_user_info(
             "full_name": personal_info.full_name,
             "bio": personal_info.bio,
             "programming_language": personal_info.programming_language,
+            "schedule": personal_info.schedule,
+            "welcome": "sent",
             "modified_date": datetime.utcnow(),
         }
     )
diff --git a/src/users/models.py b/src/users/models.py
index 8af4b71..e07c72c 100644
--- a/src/users/models.py
+++ b/src/users/models.py
@@ -104,6 +104,13 @@ class User(Model):
     calendar: Optional[str] = Field(
         default="", description="User's calendar ID."
     )
+    schedule: Optional[str] = Field(
+        default="every day", description="User's schedule."
+    )
+    welcome: Optional[str] = Field(
+        default="not sent",
+        description="User's welcome email status, sent or not sent.",
+    )
     user_status: Optional[UserStatus] = Field(
         default=UserStatus.ACTIVE.value, description="User's status."
     )
diff --git a/src/users/router.py b/src/users/router.py
index 81f7503..acbf6ce 100644
--- a/src/users/router.py
+++ b/src/users/router.py
@@ -68,6 +68,9 @@
 # create and use as many Drives as you want!
 profile_images = deta.Drive("profile-images")
 
+# Create a dictionary to store scheduler instances for each user
+user_schedulers = {}
+
 
 @router.post(
     "/user/logout",
@@ -162,7 +165,47 @@ async def update_personal_information(
     An endpoint for updating users personel info.
     """
     try:
+        from src.main import (
+            code_app,
+        )
+
         await users_crud.update_user_info(personal_info, current_user, session)
+        schedule = personal_info.schedule
+        language = personal_info.language
+        email = current_user.email
+        # Create a new scheduler for the user
+        scheduler = BackgroundScheduler()
+        user_schedulers[email] = scheduler
+        if schedule == "Every hour":
+            scheduler.add_job(
+                code_app.state.openai.send_algorithm_email,
+                "interval",
+                hours=1,
+                args=(email, language),
+            )
+        elif schedule == "Every day":
+            scheduler.add_job(
+                code_app.state.openai.send_algorithm_email,
+                "interval",
+                days=1,
+                args=(email, language),
+            )
+        elif schedule == "Every week":
+            scheduler.add_job(
+                code_app.state.openai.send_algorithm_email,
+                "interval",
+                weeks=1,
+                args=(email, language),
+            )
+        elif schedule == "Every month":
+            scheduler.add_job(
+                code_app.state.openai.send_algorithm_email,
+                "interval",
+                months=1,
+                args=(email, language),
+            )
+
+        scheduler.start()
         return {
             "status_code": 200,
             "message": "Your personal information has been updated successfully!",
@@ -185,35 +228,69 @@ async def update_language(
     session: AIOSession = Depends(dependencies.get_db_transactional_session),
 ) -> Dict[str, Any]:
     """
-    Set the programming language for a specific user using their access token.
+    Set the programming language and the emails schedule for a specific user using their access token.
     """
     try:
         from src.main import (
             code_app,
         )
 
-        scheduler = BackgroundScheduler()
+        email = current_user.email
+        language = request_body.language
+        schedule = request_body.schedule
+        if email in user_schedulers:
+            # Use the existing scheduler for the user
+            scheduler = user_schedulers[email]
+        else:
+            # Create a new scheduler for the user
+            scheduler = BackgroundScheduler()
+            user_schedulers[email] = scheduler
+        if current_user.welcome == "not sent":
+            # send a welcome email in the background
+            ensure_future(nylas_crud.send_welcome_email(email))
+            # send an algorithm email in the background
+            ensure_future(
+                code_app.state.openai.async_send_algorithm_email(
+                    email, language
+                )
+            )
         user_info = users_schemas.PersonalInfo(
             full_name=current_user.full_name,
             bio=current_user.bio,
-            programming_language=request_body.language,
+            programming_language=language,
+            schedule=schedule,
         )
         await users_crud.update_user_info(user_info, current_user, session)
-        # send a welcome email in the background
-        ensure_future(nylas_crud.send_welcome_email(current_user.email))
-        # send an algorithm email in the background
-        ensure_future(
-            code_app.state.openai.async_send_algorithm_email(
-                current_user.email, request_body.language
+
+        if schedule == "Every hour":
+            scheduler.add_job(
+                code_app.state.openai.send_algorithm_email,
+                "interval",
+                hours=1,
+                args=(email, language),
             )
-        )
-        # send an algorithm email every 24 hours
-        scheduler.add_job(
-            code_app.state.openai.send_algorithm_email,
-            "interval",
-            hours=24,
-            args=(current_user.email, request_body.language),
-        )
+        elif schedule == "Every day":
+            scheduler.add_job(
+                code_app.state.openai.send_algorithm_email,
+                "interval",
+                days=1,
+                args=(email, language),
+            )
+        elif schedule == "Every week":
+            scheduler.add_job(
+                code_app.state.openai.send_algorithm_email,
+                "interval",
+                weeks=1,
+                args=(email, language),
+            )
+        elif schedule == "Every month":
+            scheduler.add_job(
+                code_app.state.openai.send_algorithm_email,
+                "interval",
+                months=1,
+                args=(email, language),
+            )
+
         scheduler.start()
         return {
             "status_code": 200,
diff --git a/src/users/schemas.py b/src/users/schemas.py
index e1723ef..d28fd95 100644
--- a/src/users/schemas.py
+++ b/src/users/schemas.py
@@ -103,6 +103,9 @@ class PersonalInfo(BaseModel):
     programming_language: str = Field(
         ..., example="python", description="User's programming language."
     )
+    schedule: str = Field(
+        ..., example="Every hour", description="User's schedule."
+    )
 
 
 class LogoutSchema(BaseModel):
@@ -123,3 +126,13 @@ class LanguageSchema(BaseModel):
     language: str = Field(
         ..., example="python", description="User's programming language."
     )
+
+    schedule: str = Field(
+        ..., example="Every hour", description="User's schedule."
+    )
+
+    welcome: bool = Field(
+        ...,
+        example=True,
+        description="A field that indicates whether of not the user should receive a welcome message.",
+    )