int startNum=Integer.parseInt(courseBean.getCourse_week().toString().substring(courseBean.getCourse_week().lastIndexOf("第")+1,courseBean.getCourse_week().lastIndexOf("第")+2)); String utilNum=courseBean.getCourse_week().substring(courseBean.getCourse_week().indexOf("-"),courseBean.get...
重定向到course_views视图,return redirect(reverse(‘course_index’)) ,登录成功 六、Python获取list个数(type 'list'类型) list_num(self,path_data): #print (type(path_data)) #查看类型 #num=json.loads(path_data) #转换json格式 #print... import json class list_num(object): def ...
Course 4 hr 6.1M Course Introduction to Data Science in Python 4 hr 474.8K Dive into data science using Python and learn how to effectively analyze and visualize your data. No coding experience or skills needed. Start Course Course Intermediate Python ...
Learn how to return the lowest index in a string where a substring is found within a specified range using Python's index function. Perfect for Python developers!
In this tutorial, I’ll illustrate how to join two DataFrames based on row indices in the Python programming language.The post will consist of two examples for the concatenation of two DataFrames based on index values. More precisely, the article consists of the following topics:...
The range() function is used to generate a sequence of numbers in python. In the simplest case, the range() function takes a positive number N as an input argument and returns a sequence of numbers containing numbers from 0 to N-1. You can observe this in the following example.sequence...
data_new1=data.copy()# Create copy of DataFramedata_new1.at[2,'x1']=999# Replace values in DataFrameprint(data_new1)# Print updated DataFrame As shown in Table 2, the previously illustrated Python programming syntax has created a new pandas DataFrame, in which a specific data cell has ...
This Python for Data Analysis course covers topics such as analyzing data with Python and Python libraries special made for data analysis, identifying and acquiring the right data and types of data with Python, and performing simple and complex statistical analyses. ...
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Change Course Information Choose this command to change the course information (course title, author name, description text) and the Python version used. Generate Course Archive Choose this command to create a zip archive of the current project. The archive resides in the specified location. This ...