Python Text File Program and Practice 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 [5]:

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 [1]:

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

In [2]:

filereadline('covid19.txt')

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

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 [2]:

s = 'testing 1 2 testing'

d = {}
for word in s.split():
    word = int(word) if word.isdigit() else word
    if word in d:
        d[word] += 1
    else:
        d[word] = 1
print(d)

{'testing': 2, 1: 1, 2: 1}

In [3]:

print(s.split())

['testing', '1', '2', 'testing']

In [6]:

"sd sd fdgf dfgdfg".split()

Out[6]:

['sd', 'sd', 'fdgf', 'dfgdfg']

In [15]:

def readtextbin(fil):
    f=open(fil,'rb')
    import pickle
    data=pickle.load(f)
    print(data)
    f.close()

In [16]:

readtextbin('covid.txt')

---------------------------------------------------------------------------
ModuleNotFoundError                       Traceback (most recent call last)
<ipython-input-16-c26caf284c84> in <module>
----> 1 readtextbin('covid.txt')

<ipython-input-15-2b97f899b242> in readtextbin(fil)
      2     f=open(fil,'rb')
      3     import pickle
----> 4     data=pickle.load(f)
      5     print(data)
      6     f.close()

ModuleNotFoundError: No module named 'orona virus '

In [8]:

fobj_in = open("covid19.txt")
fobj_out = open("covid2019.txt","w")
i = 1
for line in fobj_in:
    print(line.rstrip())
    fobj_out.write(str(i) + ": " + line)
    i = i + 1
fobj_in.close()
fobj_out.close()

corona virus ,keep safe yourself,protect yourself keep yourself quarantine
help to save india from corona
protect yourself protect india

In [6]:

fileread('covid2019.txt')

1: corona virus ,keep safe yourself,protect yourself keep yourself quarantine
2: help to save india from corona
3: protect yourself protect india

In [15]:

def filecountword(fl):
    fc=open(fl)
    count=0
    for line in fc:
        print(line.split())
        print(len(line.split()))
        count+=len(line.split())
    print('number of word in file is',count)
    fc.close()

In [16]:

filecountword('covid2019.txt')

['1:', 'corona', 'virus', ',keep', 'safe', 'yourself,protect', 'yourself', 'keep', 'yourself', 'quarantine']
10
['2:', 'help', 'to', 'save', 'india', 'from', 'corona']
7
['3:', 'protect', 'yourself', 'protect', 'india']
5
number of word in file is 22

In [ ]:

def filecountword(fl):
    fc=open(fl)
    count=0
    fc.filecount
    print('number of word in file is',count)
    fc.close()