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.
Shellfish and red meat are both very high in zinc, but there are also a variety of plant sources of zinc that can easily keep you in the green. These include beans, nuts, whole grains, and seeds like pumpkin, sunflower, sesame and poppy seeds. Many breakfast cereals, tortillas and other baked items that contain fortified flours now also contain zinc.