Note that if you are executing the following code in Python 2.x, you will have to declare the encoding as UTF-8/Unicode - as follows: 1. # -*- coding: utf-8 -*-. The following function is arguably one of the quickest and easiest methods to check if a string is a number.
basket of pumpkin seeds Photo Credit Gyuszko/iStock/Getty Images. Pumpkin, squash and sunflower seed kernels are all rich in both zinc and copper. Roasted pumpkin and squash seeds contain 9 milligrams of zinc per cup, while toasted sunflower seeds contain 7 milligrams in every cup.
Copper in diet. Copper is an essential trace mineral present in all body tissues. Copper works with iron to help the body form red blood cells. It also helps keep the blood vessels, nerves, immune system, and bones healthy. Copper also aids in iron absorption. Oysters and other shellfish, whole grains, beans, nuts, potatoes, and organ meats (kidneys, liver) are good sources of copper.