Problem: I am new, I need help, can anyone help? Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4? a. 1-4 c. [1234] b. [1-4] d. [1,2,3,4]

Problem: I am new and learning, I need help, can anyone help by filling in the blanks? A(n) ________ search uses a loop to sequentially step through an array? A) binary B) unary C) linear D) relative E) None of these

Problem: I wrote a program in python to check if a given number is sparse or not. So I wrote this code: def IsSparse(n): if ((n<<1) & (n>>1)): return 0 return 1 print(IsSparse(35)) print(IsSparse(16)) print(IsSparse(12)) print(IsSparse(72)) And when I run this or ... . The output is: 1 1 1 1 But the actual output should be: 0 1 0 1 What should I do to get the actual result? Thanks in advance.

Problem : The below error occurs quite frequently to me: “Subscript indices must either be real positive integers or logical” I want to have a general solution for dealing with above problem.