Thonny version 4.1.6

 

https://thonny.org/

https://github.com/thonny/thonny/releases

 

 

安装包的两种方式：

第一钟

 第二种：

 

 

pip国内源推荐

源	url
清华	https://pypi.tuna.tsinghua.edu.cn/simple/
阿里	http://mirrors.aliyun.com/pypi/simple/
网易	https://mirrors.163.com/pypi/simple/
百度	https://mirror.baidu.com/pypi/simple/
中科大	https://pypi.mirrors.ustc.edu.cn/simple/
腾讯	https://mirrors.cloud.tencent.com/pypi/simple/

 

 

 

、

设置python 的版本：

 

 

 

 

 

 

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# encoding:utf-8 import sys import io import os import math import pandas # pip3.10 install pandas -i https://pypi.tuna.tsinghua.edu.cn/simple/ import re   class Pepole(object):     """     人     """     def __init__(self):         """            :param name:         :param age:         """         self._name='' #公有属性         self.__age=0 #私用属性，需要通过（函数）setter,getter 设置和访问                         @property  # @property装饰getter方法  get ,set 名字相符     def Age(self):         """            :return:         """         return self.__age        @Age.setter     def Age(self,age):  #@方法名.setter 设置         """            :param age:         :return:         """         if age>0:             self.__age=age                   @property     def Name(self):         """         """         return self._name           @Name.setter     def Name(self,name):         """         """         self._name=name             def modify(filepath, from_, to_):     """     edit  全文修改，不是一行修改     :param from_: 源字符     :param to_:修改后的字符     """     file = open(filepath,mode="r+",encoding="utf-8")     text = file.read()     pattern = from_     splitted_text = re.split(pattern,text)     modified_text = to_.join(splitted_text)     with open(filepath, mode='w',encoding="utf-8") as file:         file.write(modified_text)      def load_record():     """     read data     """     f=open("data/phonebook.txt",mode="r",encoding="utf-8")     global record #set global variable     record=f.readlines()     for i in range(0,len(record)):         record[i]=record[i].replace("\n","")         record[i]=record[i].split(",")     f.close()         def print_record():     """     print list     """     for i in range(0,len(record)):        for j in range(0,len(record)):           print(record[i][j],end="\t")               print("")           def search_recordByFirstname(firstname):        """     search firestname     """     for i in range(0,len(record)):         for i in range(0,len(record)):             #print(record[i][1])             if record[i][1]==firstname:                                return i         return -1                         if __name__=="__main__":     """     main export     """     print("hello");           p=Pepole()     p.Name='geovindu'     p.Age=20     print(p.Name,p.Age)           load_record()     print_record()     pos=search_recordByFirstname("Rose")     print('search:')     print(pos,record[pos][1]+' '+record[pos][2])             filename='1.txt'        if os.path.exists("data/"+filename): #存在追加        with open("data/"+filename,mode="a",encoding="utf-8") as f:           f.write('\n2,du,sibo,136555888')           f.seek(0,0)           f.close()           print('add')     else: #不存在创建        with open("data/"+filename,mode="w+",encoding="utf-8") as f:           f.write('id,first name,last name,mobile')           f.write('\n1,du,geovin,13824350518')           f.seek(0,0)           f.close()           print("create new")                           if os.path.exists("data/"+filename):                with open("data/"+filename,mode="r",encoding="utf-8") as f:             txt=f.read()             print(txt)         f.close()              with open("data/"+filename,mode="r",encoding="utf-8") as f:       text = f.read()       print("Before modification:\n",text)       f.close()       modify("data/"+filename,"du","Du")             with open("data/"+filename,mode="r",encoding="utf-8") as f:       text = f.read()       print("After modification:\n",text)       f.close()