null created by anonymous - https://repl.it/KaAo/19

KaAo-19.py

import math # learn more: https://python.org/pypi/Math
class Email:
  sender = "me"
  destination = "other"
  def send(self):
  	print("Sent!")
  host = "host"

newMail = Email()
print(newMail.sender)
print(newMail.destination)
print(newMail.host)

a = set([1, 2, 3])
b = set([3, 5, 9])
array = ["Primo", "Secondo", "Terzo", "Ultimo"]
print(a-b)
print(b-a)
print(a&b)
print(type(a))
newMail.send()
print("Uso degli indici:", array[-1])
print("Same: ", array[len(array) - 1])
print("Intervalli: ", array[0 : 2]) #secondo parametro non compreso
print("Intervallo vuoto: ", array[:])
array.insert(800, ["a", "a", 3]) #come elemento singolo
array.extend([1, 2, 3]) #come array
print(array)
print(array.count('a'))
print(array[array.index(["a", "a", 3])].count('a'))
myName = list("INNAVOIG")
myName.reverse()
# trasformazione in stringa da array
print("".join(myName))

arrayAssoc = dict()
print(arrayAssoc)

print(arrayAssoc.get("a", -1))

arrayAssoc["a"] = 22
print(arrayAssoc.get("a", -1))

print(arrayAssoc.get("a", -1))

print(arrayAssoc.setdefault("b", -2))
print(arrayAssoc["b"])
print("Unusual number: ", 2 ** 10000)