f=open("exp8_input.txt",'w')
line1='S.No Vs(V) Vr(V) Vch(V) I(A)'
f.write(line1)
line2='\n 1 100 86.84 39.0 0.132'
f.write(line2)
line3='\n 2 150 130.6 59.9 0.208'
f.write(line3)
line4='\n 3 200 175.5 79.64 0.283'
f.write(line4)
f.close()

#step-02
with open("exp8_input.txt",'r')as f:
  expdata=f.read()
print(expdata)
f.close()