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...
mylist = list(filter((r_item).__eq__, mylist)) print(mylist) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 执行和输出: 6.3. 使用 while 循环和 remove() 方法移除 只要列表含有有匹配项,即移除第一项,直到没有匹配项。 # Remove all occurrences in List using While Loop mylist =...
可以先统计列表中每一个元素的数目，然后用表理解选择出统计数目大于的的元素 myList = ["StarWars","cs116","StarWars"]count = {}for item in myList: count[item] = count.get(item, 0) + 1 result = [k for k,v in count.items() if v>=2]print result ...
The for loop iterates over that range of indices and the current index is stored in the variable index for each iteration within the for loop. The element’s value at that index is printed by accessing it from the“products[indx]”list using theindexvariable which contains the index value ...
# Python List Length cars = ['Ford', 'Volvo', 'BMW', 'Tesla'] length = len(cars) print('Length of the list is:', length)执行和输出:4. 添加元素向Python 列表添加元素使用列表对象的 append() 函数。使用 append() 函数的语法如下:
We can userange()function along with theforloop to iterate index number from0tolen(myList). It will be pretty much like: 我们可以将range()函数与for循环一起使用,for将索引号从0迭代到len(myList)。 它将非常像: for i in range(0, len(myList)): ...
enumerate()is a built-in Python function which is very useful when we want to access both the values and the indices of a list. It's worth noting that this is the fastest and most efficient method for acquiring the index in aforloop. ...
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) ...
Following are the four methods in Python with for loop to access the elements of the list using the index: Method 1: Using enumerate() method to access their index The enumerate() method is a built-in method in Python that allows users to record the number of iterations in the for a ...
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 Loop Before we wrap up...