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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def remove_user_from_group(group, role, email):
 """Remove a user from a group the caller owns Args: group (str):
 Group name role (str) : Role of user for group; either 'member' or 'admin' email (str):
 Email of user or group to remove Swagger: https://api.firecloud.org/#!/Groups/removeUserFromGroup """

    uri = "groups/{0}/{1}/{2}".format(group, role, email)
    return __delete(uri)