python_元组

t=(1,2,3,4,3)  #定义元组
print(t.count(3)) #统计3在元组中出现的次数
print(t.index(2)) #查看2在元组的索引

D:\study\python\test\venv\Scripts\python.exe D:/study/python/test/dd.py
2
1

t=(1) #该定义不是元组，最后是int
print(type(t))

t2=(1,) #定义有一个值的元组
print(type(t2))

t3=() #定义空元组
print(type(t3))


D:\study\python\test\venv\Scripts\python.exe D:/study/python/test/dd.py
<class ‘int‘>
<class ‘tuple‘>
<class ‘tuple‘>