jwhett · November 16, 2020 20:09
diff --git a/calculation.py b/calculation.py
 import csv
 import math

 def diameter(rad):
    return rad*2


 def surface(rad):
    return 4*math.pi*pow(rad,2)


 def volume(rad):
    return (4/3)*(math.pi*pow(rad,3))


 with open('spheres.csv', 'r+') as input_csv:
    # Read the CSV.
    csv_reader = csv.reader(input_csv, delimiter=',')
    # Set a tracker for if we're reading
    # the header row.
    header = True
    # Empty list of rows that we'll store
    # use to store our calculations.
    output_csv = []
    for row in csv_reader:
        # Are we at the header row?
        if header:
            # Add new headers.
            header = False
            output_csv.append(row + ["diameter","surface","volume"])
            # Go to the next line of the file.
            continue
        # Find and assign the radius.
        radius = float(row[2])
        # Append our calculations to the end of each row.
        output_csv.append(row + [diameter(radius),surface(radius),volume(radius)])
    # Set position to the beginning of the file.
    input_csv.seek(0)
    # Write our new, calculated data to the original CSV.
    csv.writer(input_csv, delimiter=',').writerows(output_csv)
diff --git a/spheres-after-processing.csv b/spheres-after-processing.csv
diff --git a/spheres.csv b/spheres.csv
	import csv
	import math

	def diameter(rad):
	return rad*2


	def surface(rad):
	return 4math.pipow(rad,2)


	def volume(rad):
	return (4/3)(math.pipow(rad,3))


	with open('spheres.csv', 'r+') as input_csv:
	# Read the CSV.
	csv_reader = csv.reader(input_csv, delimiter=',')
	# Set a tracker for if we're reading
	# the header row.
	header = True
	# Empty list of rows that we'll store
	# use to store our calculations.
	output_csv = []
	for row in csv_reader:
	# Are we at the header row?
	if header:
	# Add new headers.
	header = False
	output_csv.append(row + ["diameter","surface","volume"])
	# Go to the next line of the file.
	continue
	# Find and assign the radius.
	radius = float(row[2])
	# Append our calculations to the end of each row.
	output_csv.append(row + [diameter(radius),surface(radius),volume(radius)])
	# Set position to the beginning of the file.
	input_csv.seek(0)
	# Write our new, calculated data to the original CSV.
	csv.writer(input_csv, delimiter=',').writerows(output_csv)