First, use split() to split the input into a list. Then, you need to test isnumeric() on every element of the list, not the whole string. Call int() to convert the list elements to integers. Finally, add the sum to counter, not counter_item. my_list = input(“Input your list.(Numbers)\n”).split() while not all(item.isnumeric() for item in my_list): … Read more
As the ECMAScript spec describes in section 12.5.6: 12.5.6 Unary + Operator NOTE The unary + operator converts its operand to Number type. So in JavaScript, the unary + operator (e.g., +x) will always convert the expression x into a number. In other words, the following statements are equivalent: var x = Number(‘1234’); var … Read more
In C, double has at least as much precision as, and usually more than, float, and has at least the exponent range of, and usually more than, float. The C standard only requires that double be able to represent all the values of float: “The set of values of the type float is a subset … Read more
string is an alias in C# for System.String. So technically, there is no difference. It’s like int vs. System.Int32. As far as guidelines, it’s generally recommended to use string any time you’re referring to an object. e.g. string place = “world”; Likewise, I think it’s generally recommended to use String if you need to refer … Read more