problem 1) prepare a program to add number of days or number of months in a given date.
problem 2) prepare a program to print all the prime numbers till the given number.
problem 3) prepare a program to count the number of spaces, tabs and new line characters in a given string.
problem 4) prepare a program to input a character and a string. Each occurrence of a character in the string should be converted to opposite case i.e. upper to lower case or vice versa.
problem 5) prepare a program to count the number of words and number of characters in a given line of text except the spaces.
problem 6) prepare a program to input a multi word string and produce a string in which first letter of each word is capitalized.
problem 7) prepare a program to count the numbers of vowels, consonants, digits and special symbols in a given string.
problem 8) prepare a program to count the lower case and upper case letters in a string.
problem 9) prepare a program to search a character in a given string.
problem 10) prepare a program to search a given string into another string and displays the position if found otherwise displays 0.
problem 11) prepare a program to find a substring of given string.
problem 12) prepare a program to extract specified number of characters from a given position from a string.
problem 13) prepare a program to count all the occurrences of a character in a given string.
problem 14) prepare a program to find out the length of a string.
problem 15) prepare a program to input two strings and print which one is lengthier.