Update README.md

Author: sadanandhegde

README.md

@@ -3,9 +3,9 @@ Sandbox API Python wrapper
 
 **Usage:**
 
-blueprint_name = 'Sandbox Python API Test'
-sandbox_name = 'Sandbox Python API Test'
-config_file = 'quali_config.json'
+blueprint_name = "Sandbox Python API Test"
+sandbox_name = "Sandbox Python API Test"
+config_file = "quali_config.json"
 
 my_sandbox = Sandbox(config_file=config_file)
 my_sandbox.login()