import math
import turtle
a=int(input("Unesi duzinu stranice pocetnog trougla:"))
def trougao(a):
    for i in range(3):
        turtle.forward(a)
        turtle.left(120)
n=int(input("Unesi broj trouglova:"))
x=int(input("Unesi rastojanje izmedju trouglova:"))
for i in range(n):
    trougao(a+i*x)
    turtle.penup()
    turtle.right(150)
    turtle.forward(x/math.sqrt(3))
    turtle.left(150)
    turtle.pendown()


2.


import turtle
turtle.speed(10)
a=int(input("Unesi duzinu stranice sestrougla:"))
n=int(input("Unesi broj sestouglova u jednom redu:"))
k=int(input("Unesi broj redova:"))
def sestougao(a):
    for i in range(6):
        turtle.forward(a)
        turtle.left(360/6)
for j in range(k):
    for i in range(n):
        sestougao(a)
        if i%2==0:
            turtle.penup()
            turtle.forward(a)
            turtle.right(60)
            turtle.forward(a)
            turtle.left(60)
            turtle.pendown()
        else:
            turtle.penup()
            turtle.forward(a)
            turtle.left(60)
            turtle.forward(a)
            turtle.right(60)
            turtle.pendown()
    if n%2==0:
        turtle.penup()
        turtle.backward(n*a+n/2*a)
        turtle.right(120)
        turtle.forward(a)
        turtle.left(60)
        turtle.forward(a)
        turtle.left(60)
        turtle.pendown()
    else:
        turtle.penup()
        turtle.backward(((n/2)+0.5)*a+a*n)
        turtle.right(60)
        turtle.forward(a)
        turtle.left(60)
        turtle.pendown()
        
        
