PyNamedTuple, Python 3

PyNamedTuple

#python 3.6.9
#PyNamedTuple: example of tuple, namedtuple
#this code is created by Rezaul Hoque on May 05,2022;
#contact:jewelmrh@yahoo.com;Dhaka,Bangladesh;https://rezaulhoque.wordpress.com,https://hoquestake.blogspot.com

#note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their learning;

from collections import namedtuple

print('|'*35)

Intro=namedtuple('Intro',('title','dataStruct' ,'type','month','date','year','hour','space'))
banner=Intro('Python','namedtuple','example','May','05','2022','18:20',' ')
head=banner[0]+banner[7]+banner[1]+banner[7]+banner[2]
time=banner[3]+banner[7]+banner[4]+banner[7]+banner[5]
hr=banner[6]
print(head)

Fruit=namedtuple('Fruit',['name','season','color','price'])
M=Fruit('Mango','summer','green','20')
J=Fruit('Jackfruit','summer','gray','100')
O=Fruit('Orange','winter','orange','20')
#unpacking
name,season,color,price=M
print(f'{name} {season} {color} {price}')
#fetching element using index
print(M[0])
#fetching element using keyname
print(J.color)
#fetching element using getattr()
print (getattr(O,'season'))
#namedtuple is iterable
for k in O:
 print(k)

m=['Guava','rainy','green','10']
#converting list/iterable into namedtuple
mNT=Fruit._make(m)
#checking the conversion
print(isinstance(mNT,Fruit))
print(isinstance(mNT,tuple))
print(mNT)

dict={'name':'Water Melon','season':'summer','color':'dark green','price':'100'}
#converting dictionary into namedtuple
dictNT=Fruit(**dict)
print(isinstance(dictNT,Fruit))
print(isinstance(dictNT,tuple))
print(dictNT)

#getting all the field names using fields
print(M._fields)
#returning new namedtuple using _replace() without altering the original version
print(J._replace(color='brown'))
#the original instance
print(J)

print(time)
print(hr)
print ('|'*35)


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