python没有错误信息

def count_words(filename):
    try:
        with open(filename) as f_obj:
            contents=f_obj.read()
    except FileNotFoundError:
        pass    
    else:
        words=contents.spilt()
        num_words=len(words)
        print("This file"+filename+'has about'+str(num_words)+'words.')
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def count_words(filename):
    try:
        with open(filename) as f_obj:
            contents=f_obj.read()
    except FileNotFoundError:
        message='sorry,the file'+filename+'does not exits'
        print(message)
    else:
        words=contents.spilt()
        num_words=len(words)
        print("This file"+filename+'has about'+str(num_words)+'words.')