Python please

Design a program that lets the user enter a string and displays the character that appears most frequently in the string. Your program must distinguish between capital letters and small letters. (i.e., "A" is not the same as "a") a) Use top-down design structure, b) Draw flowchart and IPO chart, c) Write \& test the code. Design a program that lets the user enter a string and displays the character that appears most frequently in the string. Your program must distinguish between capital letters and small letters. (i.e., "A" is not the same as "a") a) Use top-down design structure, b) Draw flowchart and IPO chart, c) Write \& test the code