thislist = ["apple", "banana", "cherry"] for x in thislist: print(x) Try it Yourself » Learn more about for loops in our Python For Loops Chapter.Loop Through the Index NumbersYou can also loop through the list items by referring to their index number.Use...
print(index,item) ''' Output: 0 1 1 2 2 3 3 4 4 5 ''' DownloadRun Code That’s all about traversing a list with indices in Python. Also See: Loop through a list with an index in Python Find index of all occurrences of an item in a Python list ...
https://www.runoob.com/python3/python3-loop.htmldemospython for loop with index #!/usr/bin/python3 Blue = 17 GREEN = 27 RED = 22 LEDs = list([RED, GREEN, Blue]) for index, led in enumerate(LEDs): print('led = ', LEDs[index]) # 22, 27, 17 # 等价于,start default 0 for ...
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...
首先介绍下bokeh bokeh擅长制作交互式图表，当然在地图展示方面也毫不逊色。Bokeh支持google地图、geojson...
states = list(capitals.keys()) random.shuffle(states) # ➍ # TODO: Loop through all 50 states, making a question for each. 测验的文件名将是capitalsquiz<N>.txt,其中<N>是来自quizNum``for循环计数器的测验的唯一数字。capitalsquiz<N>.txt的答案将被保存在一个名为capitalsquiz_answers<N>.txt...
loop_count+=1print(data_set)print(data_set)print("loop times", loop_count) 3.2 选择排序 The algorithm works by selecting the smallest unsorted item and then swapping it with the item in the next position to be filled. The selection sort works as follows: you look through the entire array...
# 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 ...
PdfFileReader(pdfFileObj) # TODO: Loop through all the pages (except the first) and add them. # TODO: Save the resulting PDF to a file. 对于每个 PDF,循环通过调用open()并使用'rb'作为第二个参数,以读取二进制模式打开一个文件名。open()调用返回一个File对象,该对象被传递给PyPDF2.Pdf...
In this example, the loop tries to accessnumbers[5], which does not exist, leading to anIndexError. Ensure your code's logic correctly aligns with the list's size and structure to avoid this error. Use loops that respect the list's boundaries, and always verify the list's length before...