Create a function that determines whether a string is a valid hex code. A hex code must begin with a pound key # and is exactly 6 characters in length. Each character must be a digit from 0-9 or an alphabetic character from A-F. All alphabetic characters may be uppercase or lowercase.

Can you use Python programming language to to this question? Thanks

Each of the code fragments above contains a string processing operation which you should be able to resolve quite quickly. Which of these operations would produce the character 'T' as a result? This question is internally recognized as variant 230.   Q15)   fragment 1 contains the correct code   fragment 2 contains the correct code   fragment 3 contains the correct code   fragment 4 contains the correct code   fragment 5 contains the correct code   fragment 6 contains the correct code   fragment 7 contains the correct code   fragment 8 contains the correct code   none of the above

What function do you use to copy a string to another string variable name? strcat() atof() atoi() strcpy()

In python please

What function do you use to concatenate one string to another? atoi() strcpy() atof() strcat()

Surface Area of sphere is        A = 4 π r **2        Convert this into function and pass any value of radius to display area of sphere