如何使用Python删除字典中仅包含表情符号的元素

import re

def is_emoji_only(s):
    emoji_pattern = re.compile("["
                               u"\U0001F600-\U0001F64F"  # emoticons
                               u"\U0001F300-\U0001F5FF"  # symbols & pictographs
                               u"\U0001F680-\U0001F6FF"  # transport & map symbols
                               u"\U0001F700-\U0001F77F"  # alchemical symbols
                               u"\U0001F780-\U0001F7FF"  # Geometric Shapes Extended
                               u"\U0001F800-\U0001F8FF"  # Supplemental Arrows-C
                               u"\U0001F900-\U0001F9FF"  # Supplemental Symbols and Pictographs
                               u"\U0001FA00-\U0001FA6F"  # Chess Symbols
                               u"\U0001FA70-\U0001FAFF"  # Symbols and Pictographs Extended-A
                               u"\U00002702-\U000027B0"  # Dingbats
                               u"\U000024C2-\U0001F251" 
                               "]+", flags=re.UNICODE)
    return bool(emoji_pattern.match(s))

def remove_emoji_only_elements(dictionary):
    return {k: v for k, v in dictionary.items() if not is_emoji_only(str(v))}

# 示例字典
example_dict = {
    'key1': '😊',
    'key2': 'Hello',
    'key3': 'World!',
    'key4': '😊😊'
}

# 删除仅包含表情符号的元素
filtered_dict = remove_emoji_only_elements(example_dict)
print(filtered_dict)

{'key2': 'Hello', 'key3': 'World!'}