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tell() function is using for telling the file pointer location but seek() is used for reset the file pointer.

Example-

f= open("fileName.txt")

print(f.tell()) #output 0

print(f.readline()) #output Reading 1 line.(This is good Idea)

print(f.tell()) #18

print(f.readline())

# Seek() Function

f= open("Nishu.txt")

print(f.readline())

print(f.seek(0))

print(f.readline())

print(f.seek(11))

print(f.readline())

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