(100 days, 2 hours, third day) tuples and sequences

A tuple consists of several comma-separated values.

t=1,2,3,4  #元组也可以不加括号
t=(12345,34567,'hello')
print(t)
u=t,(1,2,3,4,5)#可以这样复制，列表也可以
print(u)

v1=[2,4,6]
v2=v1,[34,45]
print(v2)