import random
import math

def tea():
    names = ["Julia", "Peter", "Rajul", "Sunil", "Anwal", "Ahmed", "David",
             "Neha", "Gaston", "Gilbert", "Usman", "Siegfried", "Tristan", "Bartolomeo"]
    my_string = "{0} takes the tea from {1} and then {0} gives it to {2}"
    for _ in range(20):
        lista = random.sample(names, 3)
        print(my_string.format(lista[0], lista[1], lista[2]))
        

def pi():
    print("{:32.30f}".format(math.pi))


def table():
    print("{:^6s}|{:^14s}|{:^14s}".format("x", "exp(x)", "log(x)"))
    print(35*"-")
    for i in range(0, 91):
        x = 1+i/10
        print("{:5.2f} |{:13.5f} |{:13.5f}".format(x, math.exp(x), math.log(x)))