Python Code: # Define a function named 'unique_list' that takes a list 'l' as input and returns a list of unique elementsdefunique_list(l):# Create an empty list 'x' to store unique elementsx=[]# Iterate through
1. Python Set()从列表中获取唯一值 (1. Python Set() to Get Unique Values from a List) As seen in our previous tutorial onPython Set, we know that Set stores a single copy of the duplicate values into it. This property of set can be used to get unique values from a list in Python...
One of the simplest and most effective ways to get unique values from a list in Python is by using thesetdata structure. A set is an unordered collection of unique elements, which means it automatically removes duplicates when you convert a list to a set. This method is not only concise ...
加载更多朋友圈数据for i in range(3): browser.execute_script("window.scrollTo(0, document.body.scrollHeight);") time.sleep(2)#获取朋友圈内容moments = browser.find_elements_by_class_name('weui-desktop-moment__main')for moment in ...
# to get iterator from range function x = range(10) iter(x) x.__iter__() Map returns an interator from a list y = map(lambda i: i ** 2, list) decorator装饰器 装饰器是把一个要执行的函数包含在wrapper函数里面,并且在要执行的函数前后去执行代码 ...
>>># 3 into integer myint>>>myint =3>>># a string of characters into a string variable>>>text ='Some text'>>># a floating point number>>>cost =3*123.45>>># a longer string>>>Name ='Mr'+' '+'Fred'+' '+'Bloggs'>>># a list>>>shoppingList = ['ham','eggs','mushrooms...
假设有一个API端点负责返回用户列表：from flask import jsonifyusers =[{'id':1,'name':'Alice'},{'id':2,'name':'Bob'},]@app.route('/users')defget_users():return jsonify(users=users)这里 ，Flask框架的jsonify函数将列表转换为JSON格式并设置正确的响应头，客户端接收到的响应类似于：{"users":...
>>>vec=[-4,-2,0,2,4]>>># create anewlistwiththe values doubled>>>[x*2forxinvec][-8,-4,0,4,8]>>># filter the list to exclude negative numbers>>>[xforxinvecifx>=0][0,2,4]>>># apply afunctionto all the elements>>>[abs(x)forxinvec][4,2,0,2,4]>>># call a ...
Get unique values from a list in Python Select random item from list in Python How to get the last element of a list Difference between list append() vs extend() Convert list of tuples to list of lists in Python Remove common elements from two lists in Python ...
import pyaudio import wave # 打开音频文件 wf = wave.open('test.wav', 'rb') # 创建pyaudio对象 p = pyaudio.PyAudio() # 打开音频流 stream = p.open(format=p.get_format_from_width(wf.getsampwidth()), channels=wf.getnchannels(), rate=wf.getframerate(), output=True) # 播放音频 dat...