for i in range(len(thislist)): print(thislist[i]) Try it Yourself » The iterable created in the example above is [0, 1, 2].Using a While LoopYou can loop through the list items by using a while loop.Use the len() function to determine the length of the list, then start ...
As we can see we are using a variablei, which represents every single element stored in the list, one by one. Our loop will run as many times, as there are elements in the lists. For example, inmyListthere are 6 elements, thus the above loop will run 6 times. 如我们所见,我们正在...
While working with Python and machine learning, one of my team members asked about loop-through lists in Python. There are various methods to do this. In this tutorial, I will explain how to iterate through a list in Python using different methods and examples. To iterate through a list in...
Problem You need to loop through every item of multiple lists. Solution There are basically three approaches. Say you have: a = ['a1', 'a2', 'a3'] b = ['b1', 'b2'] Using the built-in function map, with a first argument of None, you can iterate on both lists in parallel: ...
Python list loop shows how to iterate over lists in Python. Python loop definition 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 collecti...
# 定义列表the_count=[1,2,3,4,5]fruits=['apples','oranges','pears','apricots']change=[1,'pennies',2,'dimes',3,'quarters']# 列表内可以同时放入数字和字符串# this first kind of for-loop goes through a list# 把 the_count 列表内的每一个元素代入变量 number ,然后打印字符串fornumberin...
# this first kind of for-loop goes through a list for number in the_count: print "This is count %d" % number # same as above for fruit in fruits: print "A fruit of type: %s" % fruit # also we can go through mixed lists too ...
In Python, we use a for loop to iterate over various sequences, such as lists, tuples, sets, strings, or dictionaries. The for loop allows you to iterate through each element of a sequence and perform certain operations on it. In this tutorial, we will e
The reason why this loop works is because Python considers a “string” as a sequence of characters instead of looking at the string as a whole. Using the for loop to iterate over a Python list or tuple ListsandTuplesare iterable objects. Let’s look at how we can loop over the elemen...
for i in range(len(lines)): # loop through all indexes in the "lines" list lines[i] = '* ' + lines[i] # add star to each string in "lines" list pyperclip.copy(text) 我们沿着文本的新行分割文本,得到一个列表,列表中的每一项都是文本的一行。我们将列表存储在lines中,然后遍历lines中的...