code: def calculate_thickness_spacing(rle, most_common):
      bw_patterns = [
          most_common_bw_pattern(col, most_common) for col in rle
      ]
      bw_patterns = [
          x for x in bw_patterns if x
      ]  # Filter empty patterns
  
      flattened = []
      for col in bw_patterns:
          flattened += col
  
      pair, count = Counter(flattened).most_common()[0]
  
      line_thickness = min(pair)
      line_spacing = max(pair)
  
      return line_thickness, line_spacing
  
file_path: Mozart/src/staff.py
imports: from rle import *
  from commonfunctions import *
  from collections import Counter
label_desc: Use image node_id 1 for calling a global function with example usage: calculate_thickness_spacing(rle, most_common) and returns: line_thickness,  line_spacing