Count Chinese characters

import re

text = '''你好，请问：地铁站在哪里？'''

def count_chinese_characters(text):
    # Define a regular expression pattern for Chinese characters
    chinese_char_pattern = r'[\u4e00-\u9fff]'

    # Use re.findall to find all Chinese characters in the text
    chinese_chars = re.findall(chinese_char_pattern, text)

    # Return the count of Chinese characters
    return len(chinese_chars)

count = count_chinese_characters(text)
print(f"Number of Chinese characters in the text: {count}")