class Person:

  def __init__(self):

    pass

  def getAge(self):

    print(__name__)

 p = Person()

p.getAge()

numbers = [1, 2, 3, 4]

numbers.append([5,6,7,8])

print(len(numbers))

A：a[0] = 'e'

B：a.replace('a', 'e')

C：a[1] = 'e'

D：a = 'e' + “bcd”

import json

count = {"a":"3","on":"6","all":"9","hello":"12","apple":"15"}

data = json.dumps(count)

print(①)