# -*- coding: utf-8 -*- """ Created on Thurs June 22, 2017 Course: PYT-PR (Saisoft.net)
Instructor: Kirby Urner kirby.ur...@gmail.com Audio Check (6:15 PM PDT) Introduction What's an Object? Types we've seen briefly: int float string datetime list... ... lets keep adding to that python_types.py Mapping versus Sequence: dict & set Looping with for more string formatting Lab 1: In file elements.py, create named tuples for the first 10 elements of Periodic Table. Need at least: protons, abbreviation, long name. Print all elements in a for loop. New types: range enumerate collections.namedtuple collections.Counter Lab 2: create a dict with abbreviations as keys, for your elements, in elements.py Worth watching (some other time): https://youtu.be/lyDLAutA88s David Beazley | Keynote: Built in Super Heroes Objects: What is an API? Internal state Dot Notation (going within) Review / new: sys module and sys.path os module. elements.py is a module too Immutable versus Mutable: tuple versus list, what's the difference? Callable verus not Callable does it need "a mouth" (with or without arguments?) Lab3: create more formatted printing for elements.py (elements_lab3.py) Summary of Session 02 """ >From the shared Google drive lesson folder: # -*- coding: utf-8 -*- """ Created on Thu Jul 7 19:36:12 2016 @author: kurner LAB: Create a namedtuple to represent an element. Use the Periodic Table to define 10 namedtuples corresponding to the first 10 elements. Such as Hydrogen, Helium and so on. Need at least: protons, abbreviation (1 or 2 letters), long name Example: Employee = namedtuple("Job Holder", "name age title") Hint: "{:10} | {:10} | {:10}".format(4.5, 5.8, 9.0) """ from collections import namedtuple Element = namedtuple("Atom", "protons abbrev long_name mass") # FIRST 10 ELEMENTS FROM PERIODIC TABLE all_elements = dict() all_elements["H"] = Element(1, "H", "Hydrogen", 1.00794) all_elements["He"] = Element(2, "He", "Helium", 4.002602) all_elements["Li"] = Element(3, "Li", "Lithium", 6.941) all_elements["Be"] = Element(4, "Be", "Beryllium", 9.012182) all_elements["B"] = Element(5, "B", "Boron", 10.811) all_elements["C"] = Element(6, "C", "Carbon", 12.0107) all_elements["N"] = Element(7, "N", "Nitrogen", 14.0067) all_elements["O"] = Element(8, "O", "Oxygen", 15.9994) all_elements["F"] = Element(9, "F", "Fluorine", 18.998403) all_elements["Ne"] = Element(10, "Ne", "Neon", 20.1797) all_elements["Na"] = Element(11, "Na", "Sodium", 22.98976928) all_elements["Mg"] = Element(12, "Mg", "Magnesium", 24.4050) all_elements["Al"] = Element(13, "Al", "Aluminum", 26.8815386) all_elements["Si"] = Element(14, "Si", "Silicon", 28.0855) all_elements["P"] = Element(15, "P", "Phosphorous", 30.973762) all_elements["S"] = Element(16, "S", "Sulfur", 32.065) all_elements["Cl"] = Element(17, "Cl", "Chlorine", 35.453) all_elements["Ar"] = Element(18, "Ar", "Argon", 39.948) all_elements["K"] = Element(19, "K", "Potassium", 39.0983) all_elements["Ca"] = Element(20, "Ca", "Calcium", 40.078) all_elements["Sc"] = Element(21, "Sc", "Scandium", 44.955912) ordered_elements = \ ["H", "He", "Li", "Be", "B", "C", "N", "O", "F", "Ne", "Na", "Mg", "Al", "Si", "P", "S", "Cl", "Ar", "K", "Ca", "Sc"] print(" PERIODIC TABLE") print() print(" Protons Abbrev Mass") print("-" * 50) for atom in ordered_elements: the_atom = all_elements[atom] print("{0:>10} | {1:^10} | {2:12.8} |".format(the_atom.protons, the_atom.abbrev, the_atom.mass))
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