f = open("hell","r")
print(f.readlines())
f1 = open("abc","w")
f1.write("hello")
for data in f:
    f1.write(data)
f2= open("photo_1234.jpeg","rb")
1bd78c7c7540b4605ef86ab1c129b6baac06b85a
<mask token>

<mask token>
print(f.readlines())
<mask token>
f1.write('hello')
for data in f:
    f1.write(data)
<mask token>

f = open('hell', 'r')
print(f.readlines())
f1 = open('abc', 'w')
f1.write('hello')
for data in f:
    f1.write(data)
f2 = open('photo_1234.jpeg', 'rb')

f = open("hell","r")
print(f.readlines())
f1 = open("abc","w")
f1.write("hello")
for data in f:
    f1.write(data)
f2= open("photo_1234.jpeg","rb")