CLASS 11

COMPUTER SCIENCE PRACTICALS

1. Write a program in Python to Input a welcome message and display it.
2. Write a program in Python to Input two numbers and display the larger number.
3. Write a program in Python to Input two numbers and display the larger number.
4. Write a program in Python to Input three numbers and display the largest number.
5. Write a program in Python to Input three numbers and display the smallest number.
6. Write a program in Python to generate the following pattern using nested loops:         

   12345

   12345

   12345

   12345

   12345

7. Write a program in Python to generate the following pattern using nested loops:          

   11111

   22222

   33333

   44444

   55555

8. Write a program in Python to generate the following pattern using nested loops:          

   1

   12

   123

   1234

   12345

9. Write a program in Python to generate the following pattern using nested loops:          

   1

   22

   333

   4444

   55555

10. Write a program in Python to generate the following pattern using nested loops:        

    12345

    1234

    123

    12

    1

11. Write a program in Python to generate the following pattern using nested loops:       

    55555

    4444

    333

    22

    1 

12. Write a program in Python to generate the following pattern using nested loops:        

    54321

    5432

    543

    54

    5

13. Write a program in Python to generate the following pattern using nested loops:        

    5

    54

    543

    5432

    54321

14. Write a program in Python to generate the following pattern using nested loops:        

    A

    AB

    ABC

    ABCD

    ABCDE

15. Write a program in Python to generate the following pattern using nested loops:        

    *

    **

    ***

    ****

    *****

16. Write a program in Python to generate the following pattern using nested loops:        

            1

          123

        12345

      1234567

    123456789

17. Write a program in Python to generate the following pattern using nested loops:        

    ABCDEFEDCBA

    ABCDE EDCBA

    ABCD      DCBA

    ABC            CBA

    AB                 BA

    A                      A

18. Write a program in Python to generate the following pattern using nested loops:        

               1

             234

          56789

    10111213141516

19. Write a program in Python to display the first 'n' terms of a Fibonacci series.
20. Write a program in Python to input a number and determine the sum of the digits of that number.
    
21. Write a program in Python to input a number and determine the multiplication of the digits of that number.
    
22. Write a program in Python to input a number and determine whether the number is an Armstrong number or not.
23. Write a program in Python to print all Armstrong numbers from 0 to 10000.
24. Write a program in Python to input a number and determine whether the number is a perfect number or not.
25. Write a program in Python to input a number and determine whether the number is a prime number or not.
26. Write a program in Python to to generate all prime numbers between 2 to 100.
27. Write a program in Python to input a number and determine whether the number is composite number or not.
28. Write a program in Python to compute the greatest common divisor of two integers.
29. Write a program in Python to computer the least common multiple of two integers.
30. Write a program in Python to input a string and determine whether the string a palindrome or not.
31. Write a program in Python to input a string, then Count and display the number of vowels, consonants, uppercase, lowercase characters in string. 
32. Write a program in Python to input a string and convert the case of characters (uppercase to lowercase and lowercase to uppercase) in the string. 
33. Write a program in Python to Input a list of numbers and find the largest number in a list.
34. Write a program in Python to Input a list of numbers and find the smallest number in a list.
35. Write a program in Python to Input a tuple of numbers and find the largest number in a tuple.
36. Write a program in Python to Input a tuple of numbers and find the smallest number in a list.
37. Write a program in Python to Input a list of numbers and swap elements at the even location with the elements at the odd location. 
38. Write a program in Python to Input a list of numbers and find the index of a specific element.
39. Write a program in Python to Input a tuple of numbers and find the index of a specific element.
40. Write a program in Python to create a dictionary with the roll number, name and marks of n students in a class and display the names of students who have marks above 75.
41. Write a program in Python to input a list of numbers and find the mean, mode and median.
42. Write a program in Python to create a list of 10 random numbers between 1 to 100.
43. Write a program to input the value of x and n and print the sum of the following series:  1 + x + x² + x³ + x⁴ + ---------- + xⁿ
44. Write a program to input the value of x and n and print the sum of the following series: 1 - x + x² - x³ + x⁴ + ----------  xⁿ
45. Write a program to input the value of x and n and print the sum of the following series: x + x²/2 + x³/3 + x⁴/4 + ---------- + xⁿ/n
46. Write a program to input the value of x and n and print the sum of the following series: x + x²/2! + x³/3! + x⁴/4! + ---------- + xⁿ/n!
47. WAP in Python to input a string and display the frequency of each character using dictionary
    
48. WAP in Python to create a dictionary with name of employee, their salary and access them.
    
49. WAP in the Python to create a list and find the mean of all numeric values stored in the list.
    
50. Write a program in Python to count the frequency of all elements of a list.
    
51. Write a program in Python to count the frequency of all elements of a tuple
    
52. Write a program in Python to find the mean of numeric values stored in the given tuple.