- 27th Jan 2024
- 15:06 pm
This exercise is meant to help you to understand how to use functions in Python. The student is asked to create a simple tool that converts temperatures from one temperature-type to another and then classify those temperatures into specific temperature classes.
- Part 1 - Simple temperature calculator,
- Part 2 - Temperature classifier
- Part 3 - Classify temperatures
Free Solution - Week 3 Exercise: Data Wrangling - Converting and Classifying Temperature Data
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Assignment Solution
# -*- coding: utf-8 -*-
"""temp_analyzer.py
"""
# Python libraries are not required for this Exercise, but if you do load any libraries, do so before the dataset
# This file should contain all your Python code, including functions
# tempData list has 336 integers in the list. In later assignments we will load an external
# datafile (e.g. .txt or .csv), but as this dataset is not very large, we'll place the data directly in the Python code
# List of half-hourly temperature values (in degrees Fahrenheit) for one week
tempData = [19, 21, 21, 21, 23, 23, 23, 21, 19, 21, 19, 21, 23, 27, 27, 28, 30, 30, 32, 32, 32, 32, 34, 34,
34, 36, 36, 36, 36, 36, 36, 34, 34, 34, 34, 34, 34, 32, 30, 30, 30, 28, 28, 27, 27, 27, 23, 23,
21, 21, 21, 19, 19, 19, 18, 18, 21, 27, 28, 30, 32, 34, 36, 37, 37, 37, 39, 39, 39, 39, 39, 39,
41, 41, 41, 41, 41, 39, 39, 37, 37, 36, 36, 34, 34, 32, 30, 30, 28, 27, 27, 25, 23, 23, 21, 21,
19, 19, 19, 18, 18, 18, 21, 25, 27, 28, 34, 34, 41, 37, 37, 39, 39, 39, 39, 41, 41, 39, 39, 39,
39, 39, 41, 39, 39, 39, 37, 36, 34, 32, 28, 28, 27, 25, 25, 25, 23, 23, 23, 23, 21, 21, 21, 21,
19, 21, 19, 21, 21, 19, 21, 27, 28, 32, 36, 36, 37, 39, 39, 39, 39, 39, 41, 41, 41, 41, 41, 41,
41, 41, 41, 39, 37, 36, 36, 34, 32, 30, 28, 28, 27, 27, 25, 25, 23, 23, 23, 21, 21, 21, 19, 19,
19, 19, 19, 19, 21, 23, 23, 23, 25, 27, 30, 36, 37, 37, 39, 39, 41, 41, 41, 39, 39, 41, 43, 43,
43, 43, 43, 43, 43, 43, 43, 39, 37, 37, 37, 36, 36, 36, 36, 34, 32, 32, 32, 32, 30, 30, 28, 28,
28, 27, 27, 27, 27, 25, 27, 27, 27, 28, 28, 28, 30, 32, 32, 32, 34, 34, 36, 36, 36, 37, 37, 37,
37, 37, 37, 37, 37, 37, 36, 34, 30, 30, 27, 27, 25, 25, 23, 21, 21, 21, 21, 19, 19, 19, 19, 19,
18, 18, 18, 18, 18, 19, 23, 27, 30, 32, 32, 32, 32, 32, 32, 34, 34, 34, 34, 34, 36, 36, 36, 36,
36, 32, 32, 32, 32, 32, 32, 32, 32, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 28, 28]
# Begin your functions and code here, do not forget to document your code with comments
def fahrToCelsius(tempFahrenheit):
"""
This function converts the input Fahrenheit temperature to Celsius.
It uses the formula given below:
Temperature(in Celsius) = [Temperature(in Fahrenheit) - 32] / 1.8
Parameters:
tempFahrenheit (float): The temperature in Fahrenheit to be converted to Celsius.
Returns:
float: The temperature in Celsius after the conversion from Fahrenheit.
"""
convertedTemp = (tempFahrenheit - 32) / 1.8
return convertedTemp
def tempClassifier(tempCelsius):
"""
This function reclassifies the input temperature based on the given criteria.
Return value Classification criteria
0 temperatures below -2 degrees (Celsius)
1 temperatures from -2 up to +2 degrees (Celsius) [1]
2 temperatures from +2 up to +15 degrees (Celsius) [2]
3 temperatures above +15 degrees (Celsius)
[1] Values -2 and +2 should belong to this class; [2] Value +15 should belong to this class
Parameters:
tempCelsius (float): The temperature in Celsius to be reclassified.
Returns:
int: The reclassified temperature as an integer number (0, 1, 2, or 3).
"""
if tempCelsius < -2:
return 0
elif -2 <= tempCelsius <= 2:
return 1
elif 2 < tempCelsius <= 15:
return 2
else:
return 3
# Create empty list to store temperature classes
tempClasses = []
# Iterate over Fahrenheit temperatures, comvert them into Celsius Degree temprature and
# Classift the Celsius Degree temprature
# Store the temprature classes
for tempFahr in tempData:
tempCelsius = fahrToCelsius(tempFahr)
tempClass = tempClassifier(tempCelsius)
tempClasses.append(tempClass)
# Count the number of temperatures in each class
numZeros = tempClasses.count(0)
numOnes = tempClasses.count(1)
numTwos = tempClasses.count(2)
numThrees = tempClasses.count(3)
# Print out the results
print(f"There are {numZeros} temperatures in class 0 : Temperature(in degrees Celsius) <-2 .")
print(f"There are {numOnes} temperatures in class 1 :-2<=Temperature(in degrees Celsius) <=2 .")
print(f"There are {numTwos} temperatures in class 2 :2 print(f"There are {numThrees} temperatures in class 3 :above 15 degrees Celsius.")
About The Author - Dr. Anika Gupta
Dr. Anika Gupta, a seasoned data scientist and educator, brings her expertise to the "Free Solution - Week 3 Exercise: Data Wrangling." With a Ph.D. in Data Science, Dr. Gupta is dedicated to simplifying complex data manipulation processes. Through this exercise solution, she provides valuable insights into converting and classifying temperature data, offering a practical resource for learners seeking hands-on experience in data wrangling.
