Prog_11. Write a program to read the file line by line.
Prog_12. Write a program to swap 2 numbers without using temp variable.
Prog_13. Write a program to find factorial of a number.
Prog_14. Write a program to sort(Bubble) an array.
Prog_15. Write a program to determine
if a year is leap year.
Prog_16. Write a program to find the number
of vowels in a string.
Prog_17. Write a program to Reverse the
string.
Prog_18. Write a program to extract
numeric values from a string.
Prog_19. Write a program to find the second largest number in an array.
Prog_20. Write a program to sort a
string.
