base de python (13) - collection

« » '
Set: le type de données de la variable, son élément de type de données doit être immuable, le désordre, ne se reproduira pas.
     } {
'' '
# SETL = SET ({l, 2,3})
# SET2 = {l, 2,3, [2,3], {' name ':' Alex mal »}} #
# impression ( setl)
# Imprimer (SET2)
# = {setl 'Alex', 'wusir', 'Ritian', 'Egon', 'Barry',}
# augmentation
#add
# set1.add ( 'déesse')
# Imprimer (setl)
#update
# set1.update ( 'abc')
# Imprimer (SET1)
# suppression

# Set1.pop () # suppression aléatoire
impression # (set1.pop ()) # renvoie une valeur
# impression (set1)

# Set1.remove ( 'alex') élément # presse
# impression (set1)

# {} Set ()
# set1.clear ()
print # (set1) # set ()

# Del set1
impression # (set1)

#查
# for i in set1:
# print (i)

# Set1 = {1,2,3,4,5}
# {4,5,6,7,8 set2 =}
# set3 = set1 & set2
print # (set3) # {4, 5}
# impression (set1. intersection (set2)) # {4, 5}

# Set1 = {1,2,3,4,5}
# {4,5,6,7,8 set2 =}
# print (set1 | set2) # {1, 2, 3, 4, 5, 6, 7 , 8}
# print (set2.union (SET1)) # {1, 2, 3, 4, 5, 6, 7}

# Set1 = {1,2,3,4,5}
# set2 = {4,5,6,7,8}
# print (set1 ^ SET2) # {1, 2, 3, 6, 7, 8}
# print (set1.symmetric_difference (SET2)) # {1, 2, 3, 6, 7, 8}

Setl = {1,2,3,4,5} #
# SET2 = {4,5,6,7,8}
# Imprimer (setl - SET2) {# 1, 2 ,. 3.}
# # Setl uniques
# print (set1.difference (set2)) # {1, 2, 3}

L, 2,3 setl = {#,}
# {SET2 = 1,2,3,4,5,6}
#
# Imprimer (setl <SET2)
# Imprimer (set1.issubset (SET2)) deux identiques # sont expliqués de la set2 est un sous - ensemble.

Imprimer # (set2> set1)
# Imprimer (set2.issuperset (set1)) # deux set2 SET1 identiques, sont expliqués est un surensemble.

#去重
# li = [1,2,33,33,2,1,4,5,6,6]
# set1 = set (li)
# # impression (set1)
# li = liste (set1)
print # ( li)
# s1 = {1,2,3}
print # (s1, le type (s1))

# S = frozenset ( 'barry')
print # (s type (s))
# for i in s:
# print (i)