# program to calculate BMI
def main():
# opening the file out.txt for writing the output
outfile = open(“output.txt”, “w”)
# opening the file data.txt for reading
with open(“data.txt”) as fp:
# initializing the variables
(max_weight, min_weight, sum_weight, avg_weight) = (0, 10**9, 0, 0)
(max_height, min_height, sum_height, avg_height) = (0, 10**9, 0, 0)
(max_bmi, min_bmi, sum_bmi, avg_bmi) = (0, 10**9, 0, 0)
n = 0
for line in fp:
# printing the header
if ‘Name’ in line:
print (“{:<12s} {:<12s} {:<12s} {:<12s}”.format(‘Name’, ‘Height(m)’, ‘Weight(kg)’, ‘BMI’), file=outfile)
else:
# splitting the line from file and storing into variables
(name, height, weight) = line.split()
# converting weight and height as float variables
weight = float(weight)
height = float(height)
# identify max and min from the weight numbers
if weight > max_weight:
max_weight = weight
if weight < min_weight:
min_weight = weight
sum_weight = sum_weight + weight
# identifying max and min from the height numbers
if height > max_height:
max_height = height
if height < min_height:
min_height = height
sum_height = sum_height + height
# calculating bmi and identifying min and max from the bmi numbers
bmi = weight / height ** 2
if bmi > max_bmi:
max_bmi = bmi
if bmi < min_bmi:
min_bmi = bmi
sum_bmi = sum_bmi + bmi
n = n + 1
print (“{:<12s} {:<12.2f} {:<12.2f} {:<12.2f}”.format(name, height, weight, bmi), file=outfile)
# calculating average weight, height and bmi
avg_weight = sum_weight / n
avg_height = sum_height / n
avg_bmi = sum_bmi / n
print (“n”, file=outfile)
# printing average, max, min statistics
print (“{:<12s} {:<12.2f} {:<12.2f} {:<12.2f}”.format(‘Average’, avg_height, avg_weight, avg_bmi), file=outfile)
print (“{:<12s} {:<12.2f} {:<12.2f} {:<12.2f}”.format(‘Max’, max_height, max_weight, max_bmi), file=outfile)
print (“{:<12s} {:<12.2f} {:<12.2f} {:<12.2f}”.format(‘Min’, min_height, min_weight, min_bmi), file=outfile)
fp.close()
outfile.close()
if __name__==’__main__’:
main()
