file handling programs in python ,for class 12 cbse

In [ ]:

def filecopy(f1,f2):
    fp=open(f1,'r')
    fp1=open(f2,'w')
    l=fp.readline()
    while l!='':
        fp1.write(l)
        l=fp.readline()
    fp.close()
    fp1.close()

In [2]:

import os
print(os.getcwd())

C:\Users\Acer

In [7]:

filecopy('corona.txt.txt','covid.txt')

In [8]:

def filecpy(f1,f2):
    fp=open(f1,'r')
    fp1=open(f2,'w')
    l=fp.read()
    fp1.write(l)
    fp.close()
    fp1.close()

In [9]:

filecpy('covid.txt','covid19.txt')

In [10]:

def fileread(f):
        fl=open(f)
        print(fl.read())
        

In [11]:

fileread('covid19.txt')

corona virus ,keep safe yourself,protect yourself keep yourself quarantine

In [13]:

fileread('corona.txt.txt')

corona virus ,keep safe yourself,protect yourself keep yourself quarantine

In [14]:

fileread('covid19.txt')

corona virus ,keep safe yourself,protect yourself keep yourself quarantine

In [15]:

def filereadlines(f):
        fl=open(f)
        print(fl.readlines())  

In [16]:

filereadlines('covid19.txt')

['corona virus ,keep safe yourself,protect yourself keep yourself quarantine']

In [18]:

def filereadline(f):
        fl=open(f)
        l=fl.readline()
        while l!='':
            print(l)
            l=fl.readline()
        
        fl.close()    

In [3]:

def countline(f):
        py=0
        fl=open(f)
        l=fl.readline()
        while l!='':
            print(l)
            py+=1
            l=fl.readline()
        print('number of lines in file is ',py)
        fl.close()    

In [4]:

countline('covid.txt')

corona virus 

keep safe yourself

protect yourself 

keep yourself quarantine
number of lines in file is  4

In [ ]:

def exam():