1. avgData.py
2. file_search.py

# Computes the average high temperature from a file that contains the daily
# high temperatures for last year at one location.
# CSCI 111

DATAFILE="data/alaska.dat"

# open the file
dataFile = open(DATAFILE, "r")

# initialize the sum accumulator
sumOfTemperatures = 0

# initialize the number of lines in the file accumulator
numOfTemperatures = 0

# read each line of the file
for line in dataFile:
    # convert the line to a float to represent the temperature
    temperature = float(line)
    
    # add the temperature to the sum
    sumOfTemperatures += temperature
    
    # update the number of temperatures
    numOfTemperatures += 1
    
# close the file
dataFile.close()
    
# divide the sum by the number of temperatures in the file.
avgTemperature = sumOfTemperatures/numOfTemperatures

# display the results (twice) to show two different ways to use format.
print("The average temperature is {:.2f}".format(avgTemperature))

print("The average temperature is", "{:.2f}".format(avgTemperature))

# Given a file and a term to search for,
# find which lines the term is on and the
# total number of lines that contained that term
# CSCI 111

FILENAME="data/years.dat"

print("This program will find out how many lines the given search term")
print("is on in", FILENAME,"and show those lines")
print()
print("Looking at file", FILENAME)

searchFor = "20"
#searchFor = input("What term do you want to search for? ")

lineNumber = 0
numOccurrences = 0
whichLines = []

openfile = open(FILENAME, "r")

for line in openfile:
    lineNumber += 1
    if searchFor in line:
        numOccurrences += 1
        line = line.strip()
        whichLines.append(line)
        print( lineNumber, line )
        
openfile.close()

print(searchFor, "occurs", numOccurrences, "times in")
#print(whichLines)
for line in whichLines:
    print(line)