class_exapmle.py

# -*- coding: utf-8 -*-
"""
Created on Wed Jan 30 17:12:45 2019

@author: akilic3
"""
#FIRST method
class NRES898():
        pass
#Class is basically creating bueprint for instances
#Create instances of the class
student1= NRES898 () 
student2= NRES898 () 

#each instance contains data
student1.first = "Reid"
student1.last =  "Stagemeyer"
student1.department = "CompSci"

student2.first = "Jessica"
student2.last =  "Dickinson"
student2.department = "NRCS"

"""
(1) Both of these are NRES898 objects and (2) they both are unique and 
(3) they both have a different location in memory.
"""
print (student1.first) 
print (student2.department)

#SECOND  method
"""
Inside NRES898 class, we will create a "init" method within a class. 
The methods receive instance as the first argument automatically. 
By convention, we will call instance as “self”

Init method takes instances that we call “self” and then takes first, last, 
department as arguments. 
""" 
class NRES898():
    pass

    def __init__(self, first, last, department):
        
#Within our "init" method, we are going to set all those instance variables.
       self.first = first
       self.last = last
       self.department = department
       self.email = first + '.'+ last + "@unl.edu"
       
student1 = NRES898('Reid', 'Stagemeyer', 'CompSci')  
student2 = NRES898('Jessica', 'Dickinson', 'NRCS')
student3 = NRES898('Mitchell', 'Maguire', 'BSE')

"""
When we create NRES898 down there, instance is passed automatically.  
(a) we can leave off “self”. 
(b) We only need to provide names and department. .
"""   

def fullname(self):
    return "{} {}".format(student1.first, student1.last)  

#student1 = NRES898()

print (fullname(student1)  )  

def fullname_dept_email(self):
    return "Name: {} {} Dept: {} Email: {}".format(
        student1.first, student1.last, student1.department, student1.email
        )  

print (fullname_dept_email(student1))
print (NRES898.fullname_depth_email(student1))