Print all items, using a while loop to go through all the index numbers thislist = ["apple", "banana", "cherry"]i = 0 while i < len(thislist): print(thislist[i]) i = i + 1 Try it Yourself » Learn more about while loops in our Python While Loops Chapter.Looping...
input_list --> |Initialize index| index(0) index --> |index < len(list)| loop loop --> |Get element at index| get_element get_element --> |Process element| process process --> update_index{Update index} update_index --> |index++| index_update index_update --> index index_updat...
Aloopis a sequence of instructions that is continually repeated until a certain condition is reached. For instance, we have a collection of items and we create a loop to go through all elements of the collection. In Python, we can loop over list elements with for and while statements, and...
在这种方法中,我们通过while循环和一个索引变量index来实现依次访问列表元素的目的。 通过以上几种方法,我们可以轻松地遍历列表,并依次取出其中的元素进行操作。选择合适的方法可以使代码更加简洁高效。 关系图 erDiagram LIST --|> FOR_LOOP LIST --|> INDEX_LOOP LIST --|> LIST_COMPREHENSION LIST --|> WHILE...
# Access a single item of Python List a = [52, 85, 41,'sum','str', 3 + 5j, 6.8] # access 3rd item with index 2 x = a[2] print(x) print(type(x)) 执行和输出: 2.2. 访问 Python 列表中的多个项 通过提供范围索引,你还可以该列表的子列表或多个项。
1importnumpy as np2myarray=np.array(mylist)3myarray 6- Use a “for loop” to find the maximum value in “mylist” 1maxvalue =mylist[0]2foriinrange(len_mylist):3ifmaxvalue <mylist[i]:4maxvalue =mylist[i]5print('The maximum value is', maxvalue) ...
my_list:正在搜索的列表的名称; .index() :具备3个参数的搜索方法,一个参数是必需的,另外两个是可选的; item:必需的参数,它是待搜索其索引的元素; start:第一个可选参数,开始搜索的索引。 end:第二个可选参数,结束搜索的索引。 让我们来看一个仅使用必须参数的示例: 在上面的例子中, index() 方法只接...
for x in thislist: print(x) PS E:\dream\markdown\python> & "C:/Program Files (x86)/Python/python.exe" e:/dream/markdown/python/app/app.py apple banana cherry 使用index 遍历 List 除了直接使用 for遍历,还可以组合range() + len()使用下标进行遍历,如下代码所示: ...
print('The index of i:', index) Run Code Output The index of e: 1 The index of i: 6 Traceback (most recent call last): File "*lt;string>", line 13, in ValueError: 'i' is not in list Also Read: Python Program to Access Index of a List Using for LoopBefore...
Incorrect Loops or Conditions: Errors in loop conditions or logic can cause your code to request indices beyond the list's current length. For example: In this example, the loop tries to accessnumbers[5], which does not exist, leading to anIndexError. ...