Update code-examples.mdx (scaleway#4448)

- Remove duplicate code
- Standardize indentation to 4 spaces (PEP-8)
- Fix a capitalization for better readability

Author: davixim

pages/serverless-functions/reference-content/code-examples.mdx

@@ -37,25 +37,25 @@ There are several ways to return a response from a handler function:
 
 ```python
 def handle(event, context):
-  return {
-      "body": {
-          "message": "hello world"
-      },
-      "statusCode": 200,
-      "headers": {
-          "Content-Type": ["application/json"],
-          "your-header": "your-value"
-      }
-  }
+    return {
+        "body": {
+            "message": "hello world"
+        },
+        "statusCode": 200,
+        "headers": {
+            "Content-Type": ["application/json"],
+            "your-header": "your-value"
+        }
+    }
 ```
 
 **Straight response without body:**
 
 ```python
 def handle(event, context):
-  return {"message": "hello world"}
-  # or
-  return "my Message"
+    return {"message": "hello world"}
+    # or
+    return "my Message"
 ```
 
 **Stringified response body (AWS Lambda):**
@@ -64,13 +64,13 @@ def handle(event, context):
 import json
 
 def handle(event, context):
-  return {
-    "body": json.dumps({"message": "hello world"}),
-    "headers": {
-      "Content-Type": ["application/json"],
-    },
-    "statusCode": 200,
-  }
+    return {
+        "body": json.dumps({"message": "hello world"}),
+        "headers": {
+            "Content-Type": ["application/json"],
+        },
+        "statusCode": 200,
+    }
 ```
 
 ### Getting data in Python
@@ -85,8 +85,8 @@ The following snippet returns the environment variable `ENV` you specified in th
 import os
 
 def handle(event, context):
-  env_variable = os.getenv('ENV')
-  return env_variable
+    env_variable = os.getenv('ENV')
+    return env_variable
 ```
 
 ### Using event objects in Python
@@ -103,10 +103,10 @@ You can pass information through your HTTP request with event objects. They are
 ```python
 
 def handle(event, context):
-  # the event object is a Python dict
-  query_param = event['queryStringParameters']['parameter']
-  query_body = event['body']
-  # ...
+    # the event object is a Python dict
+    query_param = event['queryStringParameters']['parameter']
+    query_body = event['body']
+    # ...
 ```
 
 Example of reading URL parameters:
@@ -115,12 +115,12 @@ Example of reading URL parameters:
 curl https://myfunc/user/?id=1
 ```
 
-Will fill the event with the following parameters:
+will fill the event with the following parameters:
 ```python
 event['path'] = "/user/"
 
 event['queryStringParameters'] = {
-  "id": "1"
+    "id": "1"
 }
 ```
 
@@ -130,8 +130,8 @@ CRON jobs share the same pattern as HTTP calls. You can find the information pas
 
 ```python
 def handle(event, context):
-  cron_body = event['body']
-  # ...
+    cron_body = event['body']
+    # ...
 ```
 
 ### Connecting to HTTP services in Python
@@ -150,20 +150,20 @@ auth_token=os.getenv('X-AUTH-TOKEN') # You can pass tokens through os environmen
 url={YOUR URL} # If you want a dynamic URL based on information sent to handle(), define the URL inside the function
 
 def handle(event, context):
-  req = request.Request(url, method='GET')
-  req.add_header('X-Auth-Token',auth_token)
-  try:
+    req = request.Request(url, method='GET')
+    req.add_header('X-Auth-Token',auth_token)
+    try:
         res = request.urlopen(req).read().decode()
-  except error.HTTPError as e:
-      res = e.read().decode()
+    except error.HTTPError as e:
+        res = e.read().decode()
 
-  return {
-      "body": json.loads(res),
-      "headers": {
-        "Content-Type": ["application/json"],
-      },
-      "statusCode": 200,
-  }
+    return {
+        "body": json.loads(res),
+        "headers": {
+            "Content-Type": ["application/json"],
+        },
+        "statusCode": 200,
+    }
   ```
 
 **`POST` request example**
@@ -194,18 +194,6 @@ def handle(event, context):
         },
         "statusCode": 200,
     }
-  try:
-        res = request.urlopen(req).read().decode()
-  except error.HTTPError as e:
-      res = e.read().decode()
-
-  return {
-      "body": json.loads(res),
-      "headers": {
-        "Content-Type": ["application/json"],
-      },
-      "statusCode": 200,
-  }
 ```
 <Message type="note">
   To use other libraries like `request`, you need to upload your project [with advanced methods](/serverless-functions/reference-content/deploy-function/) (recommended)