Fewpal
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A binary file “STUDENT.DAT” has structure (admission_number, Name, Percentage). Write a function countrec() in Python that would read contents of the file “STUDENT.DAT” and display the details of those students whose percentage is above 75. Also display number of students scoring above 75%.

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Best answer

import pickle 

def CountRec(): 

fobj=open("STUDENT.DAT","rb") 

num = 0 

try: 

while True: 

rec=pickle.load(fobj) 

if rec[2] > 75: 

print(rec[0],rec[1],rec[2],sep="\t") 

num = num + 1 

except: 

fobj.close() 

return num

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