remove_markdown_images.py

import sys
import re
import codecs

content = '''
hello![world](https://world.com)!!
'''

sys.stdin.reconfigure(encoding = 'utf-8')
sys.stdout.reconfigure(encoding = 'utf-8')

content = sys.stdin.read()

pattern = r'\!\[(.*?)\]\(.*?\)'
new_content = re.sub(pattern, r'', content)

sys.stdout.write(new_content)