元組任意對象的有序集合通過偏移存取屬于不可變序列類型固定，異構，任意嵌套對象引用的數組

print((1,2)+(3,4)) # (1, 2, 3, 4)

print((1,2)*4) # (1, 2, 1, 2, 1, 2, 1, 2)

t = (1, 2, 3, 4)

print(t[0],t[1:3]) # 1 (2, 3)

print(40,type((40))) # 40 <class 'int'>

print((40,),type((40,))) # (40,) <class 'tuple'>

t = ('cc', 'aa', 'dd', 'bb')

tmp = list(t)

print(tmp) # ['cc', 'aa', 'dd', 'bb']

tmp.sort()

print(tmp) # ['aa', 'bb', 'cc', 'dd']

t = tuple(tmp)

print(t) # ('aa', 'bb', 'cc', 'dd')

print(sorted(t)) # ['aa', 'bb', 'cc', 'dd']

t = (1, 2, 3, 4, 5)

print([x + 20 for x in t]) # [21, 22, 23, 24, 25]

t = (1, 2, 2, 4, 2)

print(t.index(2)) # 1

print(t.index(2, 2)) # 2

print(t.count(2)) # 3

t = (1, [2, 3], 4)

t[1][0] = 'spam'

print(t) # (1, ['spam', 3], 4)