Tuple1 = ("Geeen", "For", "Geeen")#This line unpack#values of Tuple1a, b, c = Tuple1print("\nValues after unpacking: ")print(a)print(b)print(c)输出:First element of Tuple:eValues after unpacking:GeeenForGeeen图组串联
1),(1,2),(6,0)]# Use the 'min' function to find the minimum element in the list 'x' based on a custom key# The 'key' argument specifies a lambda function that calculates a key for each element in 'x'# The lambda function computes the key as a tuple, where the first element ...
classCustomTuple(tuple):def__class_getitem__(cls,index):ifindex==0:return'First element'elifindex==1:return'Second element'else:return'Invalid index'# 创建自定义元组对象custom_tuple=CustomTuple()# 使用索引访问元素print(custom_tuple[0])# 输出:First elementprint(custom_tuple[1])# 输出...
multiple_elements_tuple=(2,'b',3.14159,[4,5]) 2.2 访问元组元素 元组中的元素可以通过索引来访问,索引从0开始: my_tuple=(1,'apple',3.14)first_element=my_tuple[0]# 1second_element=my_tuple[1]# 'apple' 切片操作也可以用于获取元组的一部分: slice_of_tuple=my_tuple[1:3]# ('apple', 3.1...
first_adjective,second_adjective="free","open source"f"Python is {first_adjective} and {second_adjective}."Out[33]:'Python is free and open source.' 索引和切片 索引 Python 的索引从 0 开始,意思就是说序列的第一个元素通过 0 来引用。负索引从 -1 开始,你可以用负索引从序列末端引用元素。
[[1,2], [5,6], [3,4]]>>> lis.sort(key=second_element)>>>print(lis) [[1,2], [3,4], [5,6]]>>> reverse 该方法将这个列表里的元素反转过来。 >>>print(lis2) ['8',13,'9',4,10, [11,12],'7',6,5,3]>>>lis2.reverse()>>>print(lis2) ...
【一】元祖类型(tuple) 【1】定义 元祖类型是有序且不可变的数据类型,通常使用小括号定义(也可以使用逗号) #用逗号定义num_tuple =1,2,3,4,5#用小括号定义num_tuple = (1,2,3,4,5) 【2】内置方法 (1)类型强转 #使用tuple()函数将其他数据类型转换为元组类型num_list = [1,2,3,4,5]print(tupl...
>>> # call a method on each element >>> freshfruit = [' banana', ' loganberry ', 'passion fruit '] >>> [weapon.strip() for weapon in freshfruit] ['banana', 'loganberry', 'passion fruit'] >>> # create a list of 2-tuples like (number, square) ...
要添加值，只需添加另一个键-值对，如下所示：#Changing and Adding key, value pairslang_dict = {'First': 'Python','Second': 'Java'}print(lang_dict)lang_dict['Second'] = 'C++' #changing elementprint(lang_dict)lang_dict['Third'] = 'Ruby' #adding key-value pairprint(lang_dict)Output...
Writing the function, receives two positive integers as parameters, and returns a tuple, where the first element is the greatest common divisor, and the second element is the minimum common multiple.案例3：编写函数,接收一个所有元素值都不相等的整数列表x和一个整数日，要求将值为n的元素作为支点,将...