# c05ex11.py
# Chaos program to print formatted side-by-side values
def main():
print("This program illustrates a chaotic function")
x1 = float(input("Enter the first seed between 0 and 1: "))
x2 = float(input("Enter the second seed between 0 and 1: "))
print()
print("index ", x1, " ", x2)
print("-------------------------------")
for i in range(1, 11):
x1 = 3.9 * x1 * (1 - x1)
x2 = 3.9 * x2 * (1 - x2)
print("{0:2} {1:15.6f} {2:10.6f}".format(i, x1, x2))
main()