def main():
x0 = 0
y0 = 1
h = 0.1
N = 10
x, y, z, r = euler.euler(f, x0, y0, h, N)
euler.printxy(x, y, z, r)
def main():
x0 = 0
y0 = 1
h = 0.1
N = 10
x, y, z, r = fode.rungeKutta(f, x0, y0, h, N)
fode.printxy(x, y, z, r)
