## A function that receives two numerical values of number and the required calculation symbol

Q 1 :Write a function that receives two numerical values of number and the required calculation symbol, operation symbol and then return the result based on the type of calculation

Convert to large English letters

Q 2: Write a function that receives a string value in lowercase English letters, then the function converts the text into uppercase.

Q 3:The largest even number in an array

The largest even number in an array. Write a function that receives an array of integer and returns the largest even number among those numbers in the form of an integer numeric value

Q4: Write a function that receives a string value in English, and the function returns the same value, but after converting all its small letters into uppercase and converting all its capital letters into lowercase letters

Q 5: Write a function that receives a specified number of seconds with an integer numeric value and returns a string value in the form of a digital clock 00:00:00

Q6: Write a function that receives specific letters or numbers in string format and convert it to ASCII encoding and then return the value in integer numeric format