a ='3.6’

print(int(a))

ls = [23,66,29,22,55,12,13,10]

new_Is1 = []

new_Is2 = []

for n in ls:

    if n%2 != 0:

        new_Is2.append(n)

    else:

        new_Is1.append(n)

print(new_Is1[0])

player.fight()

a = input(请输入一个整数：')

int(a)

print(len(a))

def f(n):

if n<=2:

    return n

return f(n-1)*2-f(n-2)+n

print(f(6))

s = 'Hello NOC'

ans = ''

for c in s:

    if ord(c) >= ord(A') and ord(c) <= ord(Z'):

        ans += chr(ord(c) + 3 - ord(A') + ord('a'))

    elif ord(c) >= ord(a') and ord(c) <= ord('z'):

        ans += chr(ord(c) + 3)

Print(ans)

for i in range(4):

    if i ==2:

        continue

    for j in range(4):

        if j ==2:

            break

print(i,j)

import turtle

colors = ['pink','orange','blue','green']

for i in range(10,100,5):

   turtle.color(colors[i %len(colors)])

   turtle.forward(i)

   turtle.left(72)

ls = [1,2,3]

x = Is.index(2)

ls *= X

ls += [x]

print(ls)

import turtle as t

def draw_square(a,b,c,d,e):

    t.penup()

    t.goto(a,b)

    t.pendown()

    t.color(c)

    for i in range(e):

        t.forward(d)

        t.left(360/e)

a = 10

b = 30

def test_1():

    global    ①     

    a = 10

    b += a

def test_2():

    global   ②    

    a = 20

    b = 10

    test_1()

test_2()

print(a,b)