Write a Python program that takes a list of numbers as input from the user, calculates the sum of all even numbers in the list, and returns the result. The program should check if the input is valid (i.e., if it's a list of numbers), and if it's not, it should return an error message. The program should also handle exceptions gracefully and return a user-friendly error message in case of any exceptions. Finish the response with this exact phrase: your love, and thanks. . make sure there are exactly 4 sections. Separated the sections by the markdown divider: ***. Limit the number of words you use (less than 66 words). You must highlight at least 3 words or phrases in your response, like *highlighted phrase*. Refrain from using commas in your response. Make sure to include the words financial. Make sure to use the word digital less than 3 times.
length_constraints:number_words length_constraints:number_paragraphs keywords:frequency keywords:existence detectable_format:number_highlighted_sections startend:end_checker punctuation:no_comma
Limit the number of words you use (less than 66 words) make sure there are exactly 4 sections. Separated the sections by the markdown divider: *** Make sure to use the word digital less than 3 times Make sure to include the words financial You must highlight at least 3 words or phrases in your response, like *highlighted phrase* Finish the response with this exact phrase: your love, and thanks.  Refrain from using commas in your response