Python

Python Realization of stopwatch

Python Realization of stopwatch , Display time, minutes and seconds , And there is a beginning , sign out , Reset button from tkinter import *impor...
2019-07-22 08:58 views 41

python： read Excel file

python handle Excel Related instructions ：1,Python Bring your own csv Module can handle .csv file .2,xlrd and xlwt The two modules are used to read...
2019-07-16 21:09 views 22

python In map function

1 map() Function introduction and syntax ：map yes python Built in functions , The specified sequence is mapped according to the function provided ....
2019-07-11 16:11 views 9

Python Randomly generated string

background ： Different types of strings （ Upper and lower case letters , number , Special characters , chinese ）, Put them together randomly , Dif...
2019-07-10 19:56 views 29

pandas The best function in data processing apply+lambda

apply(func [, args [, kwargs ]]) Function is used when a function parameter already exists in a tuple or dictionary , Call the function indirectly...
2019-07-10 11:59 views 28

Librosa Audio processing （ Six ）

Poor quality microphones record current and a buzzing background sound when recording , The purpose of noise reduction can be achieved by sampling...
2019-07-09 11:36 views 91

pandas Will be a dataframe Update one column of to another dataframe Content of

Sometimes you need to update the content of a table in your work , have access to pandas Update . Content to be updated data1 And get the target t...
2019-07-07 10:55 views 22

use python Draw a lovely Pikachu

design sketch #!/usr/bin/env python # -*- coding:utf-8 -*-from turtle import *''' Drawing the head of Pikachu '''def face(x,y): """ Face painti...
2019-06-28 21:28 views 44

Python Summary of knowledge points

1,Python Two kinds of programming methods of computer ： interactive （ Run as you go ） And file format （ Main methods ; Batch run results ）2, Everyt...
2019-06-28 20:14 views 25

python in list and str Mutual conversion

1. list list--------> character string str First case , If list [ ] The elements contained in are str " " type . Use the following method , giv...
2019-06-27 10:13 views 29
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