code: def calc_crc32c(memview, _crc32c=_crc32c):
      """Calculate CRC-32C (Castagnoli) checksum over a memoryview of data"""
      return _crc32c(memview)
  
imports: import binascii
  from kafka.record._crc32c import crc
label_desc: Use image node_id 4 for calling a global function with example usage: calc_crc32c(memview, _crc32c) and returns: _crc32c