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import matplotlib.pyplot as plt
f = '27_A_17882.txt'
XX,YY = [],[]
for s in open(f):
  x,y = map(float,s.split())
  XX.append(x*100)
  YY.append(y*100)

plt.scatter(XX,YY,color = 'blue',marker = '.')
plt.xticks(range(-300,1000,100))
plt.yticks(range(-300,1000,100))
plt.grid()
plt.show()

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27_A_17882.txt
27_B_17882.txt

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