characters

write a function filter_string(str1, str2) which returns a copy of str1 with all characters from str2 removed.

Write a program, which takes an array of characters from users. Your task is to check either it is palindrome or not.

JS - onclick function to insert text characters symbol into text input field or textarea at the cursor caret location position

Modify the program so it also prints the number of A, T, C, and G characters in the sequence in python

Console code page (437) differs from Windows code page (1252) 8-bit characters might not work correctly

write a function reverse that reverses the order of the characters in a string. the function should be recursive. example: reverse('live') should return 'evil'.

Write a function called clean that takes a C++ string as input and removes any characters in the string that are not letters except for space blanks.

Write a Python program to get a single string from two given strings, separated by a space and swap the first two characters of each string.

Create a function generateString(char, val) that returns a string with val number of char characters concatenated together. For example generateString('a', 7) will return aaaaaaa.

python coding for y, you will also display a “bar” of ‘X’ characters to represent the number. For example, the prime number 2 would be represented as “X 2”.