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 ...
Loop through sequences: used for iterating over lists, strings, tuples, dictionaries, etc., and perform various operations on it, based on the conditions specified by the user. Example: Calculate the average of list of numbers numbers = [10, 20, 30, 40, 50] # definite iteration # run...
'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fornumberinthe_countprint(f"This is count{number}")# same as above# 把 fruits 列...
5 # this first kind of for-loop goes through a list 6 for number in the_count: 7 print(f"This is count {number}") 8 9 # same as above 10 for fruit in fruits: 11 print(f"A fruit of type: {fruit}") 12 13 # also we can go through mixed lists too 14 # notice we have t...
The output above shows that theforloop iterated through the list, and printed each item from the list per line. Lists and other sequence-baseddata typeslikestringsandtuplesare common to use with loops because they are iterable. You can combine these data types withrange()to add items to a...
# 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
1.forloops allow us to iterate through all of the elements in a list from the left-most (or zeroth element) to the right-most element. A sample loop would be structured as following: 使用for循环可以遍历一个列表,从最左到最右: 1
[(x,y) for x in a for y in b] This iterates over list b for every element in a. These elements are put into a tuple (x, y). We then iterate through the resulting list of tuples in the outermost for loop. The output of the third technique, therefore, is quite different: L...
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...