import sys
with open('LightRAG-main/lightrag/operate.py', 'r', encoding='utf-8') as f:
    lines = f.readlines()
for i in range(4100, 4200):
    line = lines[i].rstrip()
    if 'return_raw_data' in line or 'return None' in line or 'empty_raw_data' in line:
        print(f'{i}: {line[:120]}')