rt
3500 6.12101
3500.125 5.45802
3500.25 4.98495
3500.375 5.00962
3500.5 5.12826
3500.625 5.5494
3500.75 5.83165
3500.875 6.08993
3501 5.66068
3501.125 5.36524
3501.25 6.44979
3501.375 7.22824
3501.5 7.09364
3501.625 6.96902
3501.75 7.51952
3501.875 7.97737
3502 7.98613
3502.125 8.04762
3502.25 8.13076
3502.375 8.20785
3502.5 8.29985
3502.625 8.36962
3502.75 8.03384
3502.875 7.90943
3503 7.75844
3503.125 7.69613
3503.25 7.40769
3503.375 6.88934
3503.5 6.89053
3503.625 7.07361
3503.75 7.11514
3503.875 6.91403
3504 6.63487
3504.125 6.2586
3504.25 6.34341
3504.375 6.50074
3504.5 6.79825
3504.625 7.18385
3504.75 7.39963
3504.875 7.52675
3505 7.36905
3505.125 7.51567
3505.25 7.73962
3505.375 8.0875
3505.5 8.28732
3505.625 8.49521
3505.75 8.68732
3505.875 8.80364
3506 8.34886
3506.125 7.83559
3506.25 7.48061
3506.375 7.29395
3506.5 6.9935
3506.625 6.81619
3506.75 7.10229
3506.875 7.44445
3507 8.70364
3507.125 10.02765
3507.25 10.50788
3507.375 10.75771
3507.5 10.9464
3507.625 10.862
3507.75 9.89728
3507.875 9.38352
3508 8.98442
3508.125 8.63869
3508.25 8.45221
3508.375 8.61903
3508.5 9.06706
3508.625 9.39995
3508.75 9.27555
3508.875 9.15769
3509 9.1993
3509.125 9.25781
3509.25 8.95855
3509.375 8.75787
3509.5 8.73234
3509.625 9.16487
3509.75 9.8316
3509.875 10.37017
3510 11.60349
3510.125 12.13924
3510.25 12.65096
3510.5 13.82261
3510.625 14.34062
3510.75 14.77835
3510.875 15.35882
3511 16.29678
3511.125 16.72426
3511.25 17.10329
3511.375 17.38493
3511.5 16.97478
3511.625 16.18004
3511.75 16.05521
3511.875 15.1825
3512 15.19506
3512.125 14.78911
3512.25 14.23302
3512.375 12.91021
3512.5 12.8269
3512.625 12.41421
3512.75 12.84515
3512.875 13.26234
3513 13.6354
3513.125 13.90078
3513.25 13.78859
3513.375 13.35883
3513.5 12.93416
3513.625 12.45928
3513.75 11.98366
3513.875 11.70986
3514 11.66454
3514.125 11.39279
3514.25 11.0811
3514.375 10.89437
3514.5 10.81431
3514.625 10.58849
3514.75 10.18858
3514.875 9.83335
3515 9.31161
3515.125 8.98849
3515.25 8.82394
3515.375 8.58318
3515.5 8.51081
3515.625 8.25448
3515.75 7.90941
3515.875 7.58262
3516 7.22778
3516.125 6.72701
3516.25 6.43544
3516.375 6.26465
3516.5 6.06605
3516.625 6.2954
3516.75 6.48293
3516.875 6.64517
3517 6.80447
3517.125 6.81569
3517.25 6.81555
3517.375 6.91315
3517.5 7.08909
3517.625 7.21408
3517.75 7.44098
3517.875 7.65476
3518 7.92593
3518.125 8.12187
3518.25 8.1393
3518.375 8.13916
3518.5 8.34482
3518.625 8.59521
3518.75 8.92039
3518.875 9.17784
3519 9.44449
3519.125 9.80091
3519.25 10.32271
3519.375 10.71562
3519.5 10.99955
3519.625 11.37892
3519.75 11.31796
3519.875 10.07422
3520 10.30283
3520.125 10.52998
3520.25 10.56295
3520.375 11.11563
3520.5 11.58444
3520.625 11.79515
3520.75 11.72403
3520.875 11.6819
3521 11.79861
3521.125 11.95894
3521.25 12.87925
3521.375 12.96511
3521.5 13.07487
3521.625 13.5823
3521.75 14.34865
3521.875 14.64211
3522 14.60886
3522.125 13.70566
3522.25 12.85731
3522.375 8.48145
3522.5 6.4016
3522.625 7.21706
3522.75 8.09723
3522.875 9.84181
3523 12.15003
3523.125 12.35716
3523.25 12.71709
3523.375 13.04019
3523.5 13.61087
3523.625 13.9305
3523.75 15.72943
3523.875 15.67839
3524 16.49402
3524.125 16.82668
3524.25 17.02873
3524.375 17.29198
3524.5 17.70129
3524.625 18.17622
3524.75 16.9016
3524.875 15.54153
3525 11.80862
3525.125 11.446
3525.25 12.14082
3525.375 12.26205
3525.5 11.55376
3525.625 10.73786
3525.75 6.66043
3525.875 5.6837
3526 5.6718
3526.125 5.93832
3526.25 5.11453
3526.375 4.63647
3526.5 4.20417
3526.625 4.38962
3526.75 4.64511
3526.875 6.29435
3527 6.33562
3527.125 6.57616
3527.25 7.76976
3527.375 8.4045
3527.5 8.63824
3527.625 8.86477
3527.75 9.41075
3527.875 9.71356
3528 10.15442
3528.125 10.46185
3528.25 11.29021
3528.375 12.24537
3528.5 12.57961
3528.625 13.42098
3528.75 14.01754
3528.875 14.55652
3529 14.54607
3529.125 14.11515
3529.25 13.37848
3529.375 14.65811
3529.5 15.41795
3529.625 16.04094
3529.75 16.63898
3529.875 16.67879
3530 16.83823
3530.125 17.33336
3530.25 17.51149
3530.375 17.27251
3530.5 17.63695
3530.625 18.18178
3530.75 18.62003
3530.875 17.92178

要把3500-3510 ，3510-3520，3520-3530的的rt的平均值算出来，是提取文件算的，然后还要输出成文件形式，各位大哥们帮帮我啊

各位大哥帮忙想想啊