import time
print("")
print("<<< CircleSolver 9000 >>>")
time.sleep(0.5)
pi=3.14
print("Pi set to: ",pi)
time.sleep(0.5)
r = int(input("Please, write the lenght of radius: "))
print("Calculating, please wait...")
time.sleep(1)
print(".")
time.sleep(1)
print(".")
time.sleep(1)
print(".")
# print('a={:d}, b={:d}'.format(f(x,n),g(x,n)))
# print('a={first:4.2f}, b={second:03d}'.format(first=f(x,n),second=g(x,n)))
print('The obvod is: {:.2f}'.format(2*pi*r))
print("The obsah is: ", r**2)
print("")