HSC Science Class 12 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Which of the following is a string used to terminate lines produced by the writer()method of the csv module?

What is the output of the following program? import csv

d=csv.reader(open('c:\PYPRG\ch13\city.csv'))
next(d)
for row in d:
   print(row)
if the file called “city.csv” contain the following details

Making some changes in the data of the existing file or adding more data is called ______

What will be written inside the file test.csv using the following program import csv

D = [['Exam'],['Quarterly'],['Halfyearly']]
csv.register_dialect('M',lineterminator = '\n')
with open('c:\pyprg\ch13\line2.csv', 'w') as f:
     wr = csv.writer(f,dialect='M')
     wr.writerows(D)
f.close()

How will you sort more than one column from a CSV file? Give an example statement.

Write a Python program to modify an existing file.

Write a Python program to execute the following c++ coding.

#include<iostream>
using namespace std;
int main()
{ cout<<“WELCOME”;
return(0);
}
The above C++ program is saved in a file welcome. cpp.

Which of the following function retrieves the average of a selected column of rows in a table?

Which of the following refers to the visibility of variables in one part of a program to another part of the same program. 

Which scope refers to variables defined in current function?

What is a scope?

Why scope should be used for variable. State the reason.

Identify the scope of the variables in the following pseudo-code and write its output
color:= Red
mycolor():
  b:=Blue
 myfavcolor():
     g:=Green
     printcolor, b, g
 myfavcolor()
 printcolor, b
mycolor()
print color

What is meant by the scope of a variable? Mention its types.

Define global scope.

Write the rules of a local variable.

Write the basic rules for a global keyword in python.

What happens when we modify the global variable inside the function?

Explain the scope of variables with an example.

Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?