import urllib
import urlparse


def add_query_params(url, params):
    """
    Inject additional query parameters into an existing URL. If
    existing parameters already exist with the same name, they
    will be overwritten.

    Return the modified URL as a string.
    """
    # If any of the additional parameters have empty values,
    # ignore them
    params = dict([(k, v) for k, v in params.items() if v])

    parts = list(urlparse.urlparse(url))
    query = dict(urlparse.parse_qsl(parts[4]))
    query.update(params)
    parts[4] = urllib.urlencode(query)
    url = urlparse.urlunparse(parts)

    return url

def is_scheme_https(url):
    """
    Test the scheme of the parameter URL to see if it is HTTPS. If
    it is HTTPS return True, otherwise return False.
    """
    return 'https' == urlparse.urlparse(url).scheme

import urllib
import urlparse


def add_query_params(url, params):
    """
    Inject additional query parameters into an existing URL. If
    parameters already exist with the same name, they will be
    overwritten. Return the modified URL as a string.
    """
    # If any of the additional parameters have empty values,
    # ignore them
    params = dict([(k, v) for k, v in params.items() if v])

    parts = list(urlparse.urlparse(url))
    query = dict(urlparse.parse_qsl(parts[4]))
    query.update(params)
    parts[4] = urllib.urlencode(query)
    url = urlparse.urlunparse(parts)

    return url

def is_scheme_https(url):
    """
    Test the scheme of the parameter URL to see if it is HTTPS. If
    it is HTTPS return True, otherwise return False.
    """
    return 'https' == urlparse.urlparse(url).scheme

Tweak comment text for clarity
Tweak comment text for clarity

  import urllib
  import urlparse
  
  
  def add_query_params(url, params):
      """
      Inject additional query parameters into an existing URL. If
-     existing parameters already exist with the same name, they
+     parameters already exist with the same name, they will be
-     will be overwritten.
- 
-     Return the modified URL as a string.
+     overwritten. Return the modified URL as a string.
      """
      # If any of the additional parameters have empty values,
      # ignore them
      params = dict([(k, v) for k, v in params.items() if v])
  
      parts = list(urlparse.urlparse(url))
      query = dict(urlparse.parse_qsl(parts[4]))
      query.update(params)
      parts[4] = urllib.urlencode(query)
      url = urlparse.urlunparse(parts)
  
      return url
  
  def is_scheme_https(url):
      """
      Test the scheme of the parameter URL to see if it is HTTPS. If
      it is HTTPS return True, otherwise return False.
      """
      return 'https' == urlparse.urlparse(url).scheme
  
Tweak comment text for clarity
## Code Before:
import urllib
import urlparse


def add_query_params(url, params):
    """
    Inject additional query parameters into an existing URL. If
    existing parameters already exist with the same name, they
    will be overwritten.

    Return the modified URL as a string.
    """
    # If any of the additional parameters have empty values,
    # ignore them
    params = dict([(k, v) for k, v in params.items() if v])

    parts = list(urlparse.urlparse(url))
    query = dict(urlparse.parse_qsl(parts[4]))
    query.update(params)
    parts[4] = urllib.urlencode(query)
    url = urlparse.urlunparse(parts)

    return url

def is_scheme_https(url):
    """
    Test the scheme of the parameter URL to see if it is HTTPS. If
    it is HTTPS return True, otherwise return False.
    """
    return 'https' == urlparse.urlparse(url).scheme

## Instruction:
Tweak comment text for clarity
## Code After:
import urllib
import urlparse


def add_query_params(url, params):
    """
    Inject additional query parameters into an existing URL. If
    parameters already exist with the same name, they will be
    overwritten. Return the modified URL as a string.
    """
    # If any of the additional parameters have empty values,
    # ignore them
    params = dict([(k, v) for k, v in params.items() if v])

    parts = list(urlparse.urlparse(url))
    query = dict(urlparse.parse_qsl(parts[4]))
    query.update(params)
    parts[4] = urllib.urlencode(query)
    url = urlparse.urlunparse(parts)

    return url

def is_scheme_https(url):
    """
    Test the scheme of the parameter URL to see if it is HTTPS. If
    it is HTTPS return True, otherwise return False.
    """
    return 'https' == urlparse.urlparse(url).scheme
