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
Consider the list example above. The for loop prints out individual words from the list. But what if we want to print out the individual characters of each of the words within the list instead? This is where a nested for loop works better. The first loop (parent loop) will go over the...
In Python, we use a for loop to iterate over sequences such as lists, strings, dictionaries, etc. For example, languages = ['Swift', 'Python', 'Go'] # access elements of the list one by one for lang in languages: print(lang) Run Code Output Swift Python Go In the above example...
Python nested list loop We can have nested lists inside another list. loop_nested.py #!/usr/bin/python nums = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] for i in nums: for e in i: print(e, end=' ') print() We have a two-dimensional list of integers. We loop over the ...
in is a keyword that connects the loop variable with the iterable. iterable is a data collection that can be iterated over. consists of one or more statements to execute in each iteration.Here’s a quick example of how you can use a for loop to iterate over a list:Python ...
# 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 ...
我们将通过一些「gotchas」(陷阱)来开始今天的旅程。等我们知道Python中的 for 循环的原理时,我们再回过头来看这些 gotchas,并解释原因。 Gotcha 1: Looping Twice 假设我们有一个数字 list(列表)以及一个生成这些数字的平方的 generator(生成器): 代码语言:javascript ...
forloop is frequently used to iterate elements of lists. Considering the above syntax, let's say there is a listmyList: for循环通常用于迭代列表的元素。 考虑到以上语法,假设有一个列表myList: >>> myList = [8, 9, 2, 3, 4, 6]
# 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...
Print each fruit in a fruit list: fruits = ["apple","banana","cherry"] forxinfruits: print(x) Try it Yourself » Theforloop does not require an indexing variable to set beforehand. Looping Through a String Even strings are iterable objects, they contain a sequence of characters: ...