Consider the following piece of code:class UrlFetcher$($object$)$:def $\_\_$init$\_\_($self$,$ url, timeout$=30,$ ntries$=3,$ headers$=\{\})$:$"""$ Initializer.@paramsurl $-$ URL to fetch.timeout $-$ Timeout per connection $($seconds$).$ntries $-$ Max number of retries.headers $-$ Optional request headers."""self.url $=$ urlself.timeout $=$ timeoutself.ntries $=$ retriesself.headers $=$ headers# Enapsulated result objectself.result $=$ resultWhat can you add or remove from the given piece of code to improve its readability?This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option.optionAAdd the docstring function on line $2$optionBAdd class docstrings on line $2$optionCRemove lines $5$ to $9$ to make the code shorteroptionDRemove line $15$