from numpy import loadtxt
from tensorflow.keras.models import Sequential
from tensorflow.keras.layers import Dense
from matplotlib import pyplot
def calculate(x):
return x * x
# define inputs
inputs = [-0.5, -0.4, -0.3, -0.2, -0.1, 0, 0.1, 0.2, 0.3, 0.4, 0.5]
# calculate outputs
outputs = [calculate(x) for x in inputs]
# plot the result
pyplot.plot(inputs, outputs)
pyplot.show()
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