fun_math/e.py


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import matplotlib.pyplot as plt
import math


def fn(n):
    return (1+1/n)**n


if __name__ == '__main__':

    plt.plot(range(1, 500), list(map(fn, range(1, 500))), marker='.')
    plt.hlines(y=math.e, xmin=0, xmax=500, ls='dashed', color='gray')
    plt.show()