tup1 = ('Google', 'Runoob', 1997, 2000)

tup2 = (1, 2, 3, 4, 5, 6, 7 )

print ("tup1[0]: ", tup1[0])

print ("tup2[1:5]: ", tup2[1:5])

tup1 = (12, 34.56);

tup2 = ('abc', 'xyz')

# 以下修改元组元素操作是非法的。

# tup1[0] = 100

# 创建一个新的元组

tup3 = tup1 + tup2;

print (tup3)

tup = ('Google', 'Runoob', 1997, 2000)

print (tup)

del tup;

print ("删除后的元组 tup : ")

print (tup)