Pickle module

lst=[2,4,5,6,10,12,15,16,24,35]
file=open("num.obj","wb")
pickle.dump(lst,file)
print("Success Stored...")
file.close()

dit={"Rollno":1001,
     "Name":"Amit Jain",
     "Branch":"CSE",
     "Age":16}
file=open("stud.obj","wb")
pickle.dump(dit,file)
print("Success Stored...")
file.close()

import pickle
file=open("stud.obj","rb")
dit=pickle.load(file)
for key,val in dit.items():
  print(key,":",val)
file.close()

class worker:
  def __init__(self,nm,wg,wd):
    self.name=nm
    self.wages=wg
    self.wdays=wd
  def showdata(self):
    print("Name:",self.name)
    print("Wages:",self.wages)
    print("Wdays:",self.wdays)
  def payment(self):
    p=self.wages*self.wdays
    print("Payment is ",p)

import pickle
from worker import *
a=worker("Raja",500,5)
b=worker("Raju",800,2)
file=open("work.obj","wb")
pickle.dump(a,file)
pickle.dump(b,file)
print("Success Stored...")
file.close()

class worker:
  def __init__(self,nm,wg,wd):
    self.name=nm
    self.wages=wg
    self.wdays=wd
  def showdata(self):
    print("Name:",self.name)
    print("Wages:",self.wages)
    print("Wdays:",self.wdays)
  def payment(self):
    p=self.wages*self.wdays
  print("Payment is ",p)

import pickle
from worker import *
file=open("work.obj","rb")
a=pickle.load(file)
file=open("work.obj","rb")
b=pickle.load(file)
a.showdata()
a.payment()
b.showdata()
b.payment()
file.close()