Create A Program to Calculate Food Density in The Python Assignment Solution
- Instructions
- Objective
- Requirements and Specifications
Instructions
Objective
Write a python assignment program to calculate food density.
Requirements and Specifications
Given a text file of data about fruit with three columns of data: mass (float), volume (float) and type (string, e.g., "apple" or “orange”). Read in the data and calculate the average density of the apples and oranges.
Source Code
def read_data(filename):
f = open(filename, 'r')
data = []
lines = f.read().splitlines()[1:]
for line in lines:
parts = line.split(',')
data.append([parts[0], float(parts[1]), float(parts[2])])
f.close()
return data
def main():
total_volume = {'apple': 0.0, 'orange': 0.0}
total_mass = {'apple': 0.0, 'orange': 0.0}
for rec in read_data('fruit.csv'):
if rec[0] in total_mass:
total_mass[rec[0]] += rec[1]
total_volume[rec[0]] += rec[2]
print('Apple density:', (total_mass['apple']/total_volume['apple']))
print('Orange density:', (total_mass['orange']/total_volume['orange']))
if __name__ == '__main__':
main()
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