python file からデータ抽出

次のようなファイルからxyzのデータだけ抽出したい

header: 
  seq: 1
  stamp: 
    secs: 1666429992
    nsecs: 873829108
  frame_id: "camera_depth_optical_frame"
point: 
  x: -0.027914434671401978
  y: 0.02820553630590439
  z: 0.5456792712211609
---
header: 
  seq: 2
  stamp: 
    secs: 1666430004
    nsecs: 579051551
  frame_id: "camera_depth_optical_frame"
point: 
  x: -0.028040047734975815
  y: -0.01734834909439087
  z: 0.5262469053268433
---
header: 
  seq: 3
  stamp: 
    secs: 1666430018
    nsecs: 916446553
  frame_id: "camera_depth_optical_frame"
point: 
  x: 0.07294759899377823
  y: -0.0181780606508255
  z: 0.5236693620681763
---
header: 
  seq: 4
  stamp: 
    secs: 1666430027
    nsecs: 753083919
  frame_id: "camera_depth_optical_frame"
point: 
  x: 0.07170296460390091
  y: 0.03082507848739624
  z: 0.5377740859985352
---
header: 
  seq: 5
  stamp: 
    secs: 1666430080
    nsecs: 448720876
  frame_id: "camera_depth_optical_frame"
point: 
  x: -0.029203645884990692
  y: 0.03928879648447037
  z: 0.5081203579902649
---
header: 
  seq: 6
  stamp: 
    secs: 1666430093
    nsecs: 199850911
  frame_id: "camera_depth_optical_frame"
point: 
  x: -0.02828790619969368
  y: -0.006579136475920677
  z: 0.48882704973220825
---
header: 
  seq: 7
  stamp: 
    secs: 1666430105
    nsecs: 607030476
  frame_id: "camera_depth_optical_frame"
point: 
  x: 0.07050076127052307
  y: -0.005021311342716217
  z: 0.4861147403717041
---
header: 
  seq: 8
  stamp: 
    secs: 1666430115
    nsecs: 348506727
  frame_id: "camera_depth_optical_frame"
point: 
  x: 0.06972650438547134
  y: 0.040438100695610046
  z: 0.5042555332183838
---

次のようなプログラムを作成

get_xyz.py

p = [0,0,0] 
with open('./data1022') as f:
    for line in f:
      if "x" in line:
       p[0] = (float(line.split()[1]))
      if "y" in line:
       p[1] = (float(line.split()[1]))
      if "z" in line:
       p[2] = (float(line.split()[1]))
       print(p)

結果

[-0.027914434671401978, 0.02820553630590439, 0.5456792712211609]
[-0.028040047734975815, -0.01734834909439087, 0.5262469053268433]
[0.07294759899377823, -0.0181780606508255, 0.5236693620681763]
[0.07170296460390091, 0.03082507848739624, 0.5377740859985352]
[-0.029203645884990692, 0.03928879648447037, 0.5081203579902649]
[-0.02828790619969368, -0.006579136475920677, 0.48882704973220825]
[0.07050076127052307, -0.005021311342716217, 0.4861147403717041]
[0.06972650438547134, 0.040438100695610046, 0.5042555332183838]