'Mohali','Noida']})# Display original dataframeprint(" Original dataframe ")print(df)# Display last index value of dataframe# iloc[-1] is return the last element of# all columns in DataFrame.print(" last index is ",df.index[-1]) Python Copy 输出:
my_list = [1, 2, 3, 4, 5]last_element = my_list.pop()print(last_element)print(my_list)输出 5[1, 2, 3, 4]在上面的例子中，我们首先创建了一个包含5个元素的列表my_list，然后使用pop()方法删除了最后一个元素，并将其赋值给变量last_element。最后，我们打印出了删除后的元素和列表。删除指...
last_element = next(reverse_iterator) use_later = list(reverse_iterator) 1. 2. 3. 4. 现在: >>> use_later [2, 1] >>> last_element 3 1. 2. 3. 4. #8楼 lst[-1]是最好的方法,但是对于一般的可迭代对象,请考虑more_itertools.last: 码 import more_itertools as mit mit.last([0, ...
#access elementsmy_tuple2 = (1, 2, 3,'new') for x in my_tuple2:print(x) # prints all the elementsin my_tuple2print(my_tuple2)print(my_tuple2[0]) #1st elementprint(my_tuple2[:]) #all elementsprint(my_tuple2[3][1]) #this returns the 2nd character of the element atindex ...
Python Get the last element of a list Python get Even Integers from Python List Python Get Dictionary Keys as a List Get the First Element of a Tuple in Python How to Get Shape of List in Python How to Get Array Length in Python Get the Index of Key in Python Dictionary Get the Firs...
starting at the last element up to the offset where, right shift each element set new element at offset where return 0 python实现的insert函数接收两个参数,第一个是指定插入的位置,第二个为元素对象。中间插入会导致该位置后面的元素进行移位操作,由于是存储的指针因此实际的元素不需要进行位移,只需要位移...
存储整数、小数、字符串、列表、元组等任何类型的数据,同一个列表中元素的类型也可以不同,格式为:[element1 , element2 , element3 , ... , elementn],其中,listname 表示变量名,element1 ~ elementn 表示列表元素。 列表的创建 Python 中,创建列表的方法可分为两种。 1)使用 [] 创建列表 [] ...
string.index(str, beg=0, end=len(string))跟find()方法一样,只不过如果str不在 string中会报一个异常. 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >>>mystr.index("how")12>>>mystr.index("how",20,30)Traceback(most recent call last):File"<stdin>",line1,in<module>ValueError:subst...
We can get the index of the first element in our list using the index() function.first_index = my_list.index('a') print(first_index) # 0As you can see, my_list.index('a') returns the index of the first element ‘a’ in my_list, which is 0....
Last update on April 19 2025 12:58:29 (UTC/GMT +8 hours) Index of First Element Greater Than X Write a Python program to get the index of the first element that is greater than a specified element. Pictorial Presentation: Sample Solution: ...