cacode.py

from dataclasses import dataclass

@dataclass
class Svidtap:
    def __init__(self, sv):
        self.sv = sv
        self.g2 = self.id2tap()

    def id2tap(self):
        satellites = {
           1: [2,6],
           2: [3,7],
           3: [4,8],
           4: [5,9],
           5: [1,9],
           6: [2,10],
           7: [1,8],
           8: [2,9],
           9: [3,10],
          10: [2,3],
          11: [3,4],
          12: [5,6],
          13: [6,7],
          14: [7,8],
          15: [8,9],
          16: [9,10],
          17: [1,4],
          18: [2,5],
          19: [3,6],
          20: [4,7],
          21: [5,8],
          22: [6,9],
          23: [1,3],
          24: [4,6],
          25: [5,7],
          26: [6,8],
          27: [7,9],
          28: [8,10],
          29: [1,6],
          30: [2,7],
          31: [3,8],
          32: [4,9],
        }
        return satellites[self.sv]