Python: Add qhelp for new query.

python/ql/src/Security/CWE-295/examples/make_request.py

@@ -0,0 +1,18 @@
+import requests
+
+#An unsafe request
+
+requests.get('https://semmle.com', verify=False) # UNSAFE
+
+#Various safe options
+
+requests.get('https://semmle.com', verify=True) # Explicitly safe
+requests.get('https://semmle.com', verify="/path/to/cert/")
+requests.get('https://semmle.com') # The default is to verify.
+
+#Wrapper to ensure safety
+
+def make_safe_request(url, verify_cert):
+    if not verify_cert:
+        raise Exception("Trying to make unsafe request")
+    return requests.get(url, verify_cert)