Swap file using python

Swap the two files lines from one to one using python... 

Input:

create two text files

Output:

Interchange the lines of two file. 

(i.e.,) sample.txt file lines is stored to sample2.txt file

and sample2.txt file lines is stored to sample.txt file

Program:

for python 3...

a=open("sample.txt")

x=a.read()

print(x)

a.close()

b=open("sample2.txt")

y=b.read()

print(y)

b.close()

c=open('sample.txt','w')

c.write(y)

print(c)

c.close()

d=open('sample2.txt','w')

d.write(x)

print(d)

d.close()

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