• Row and column selection:
We can select any row and column of the DataFrame by passing the name of the rows and columns. When you select it from the DataFrame, it becomes one-dimensional and considered as Series.
• Filter Data:
We can filter the data by providing some of the boolean expressions in DataFrame.
• Null values:
A Null value occurs when no data is provided to the items. The various columns may contain no values, which are usually represented as NaN.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
1. Insert
2. Delete
3. Update
4. Display all
5. Search a Records
6. Create table
Write a program that reads a line and a substring. It should then display the number of the occurrence of the given substring in the line.
Building to Building distances (in Mtrs.)
| FROM | To | Distance |
| Administrative Building | Finance Building | 60 |
| Administrative Building | Faculty Studio building | 120 |
| Finance Building | Faculty Studio building | 70 |
Number of computers in each of the blocks/Center is as follows:
| Administrative Building | 20 |
| Finance Building | 40 |
| Faculty Studio building | 120 |
(a) Suggest the most appropriate building, where EPG should plan to install the server.
(b) Suggest the most appropriate building to building cable layout to connect all three buildings for efficient communication.
(c) Which type of network out of the following is formed by connecting the computers of these three buildings?
LAN, MAN, WAN
(d) Which wireless channel out of the following should be opted by EPG to connect to students of all over the world?
Infrared, Microwave, Satellite