lab 8.ipynb

Kernel: Python 3 (system-wide)

def wordcount(fname):
    try:
        fobj = open(fname, 'r')
        text = ''
        text = fobj.read()
        words = []
        words = text.split()
        length = 0
        length = len(words)
    except FileNotFoundError:
        print("Bad file name")
        length = -1
    return(length)

wordcount('lab.txt')

7

try:
    x = int(input("Enter a number"))
    z = 2/x
    print("Good job, no errors")
except ValueError:
    print("Input was not an integer, setting z to -1")
    z = -1
except ZeroDivisionError:
    print("Can't divide by 0, setting z to -2")
    z = -2
print(z)

import random

def make_data(fname):
    fobj = open(fname, 'w')
    for i in range(0,1000):
        num1= str(i)
        num2= str(random.randint(-1000, 1000))
        num3= num1 + "," + num2 + "\n"
        fobj.write(num3)

make_data('dog.txt')

def read_data(fname):
    min_num = 0
    max_num = 0
    try:
        fobj = open(fname, 'r')
    except FileNotFoundError:
        print("Bad file name")
    for line in fobj:
        nums = []
        nums = line.split(',')
        num = nums[1]
        int_num = int(num)
        if int_num < min_num:
            min_num = int(nums[1])
        if int_num > max_num:
            max_num = int(nums[1])
    print(min_num,"\n", max_num)
read_data("dog.txt")

        
        
        
        
        
        
        
        
        
        
        
        

'\ndef read_data(fname):\n    min_num = 0\n    max_num = 0\n    try:\n        fobj = open(fname, \'r\')\n    except FileNotFoundError:\n        print("Bad file name")\n    for line in fobj:\n        nums = []\n        nums = line.split(\',\')\n        num = nums[1]\n        int_num = int(num)\n        if int_num < min_num:\n            min_num = int(nums[1])\n        if int_num > max_num:\n            max_num = int(nums[1])\n    print(min_num,"\n", max_num)\nread_data("dog.txt")\n'

def stock_data(fname):
    min_num = 0
    max_num = 0
    total = 0
    mean = 0
    median = 0
    try:
        fobj = open(fname, 'r')
    except FileNotFoundError:
        print("Bad file name")
    for line in fobj:
        nums = []
        nums = line.split(',')
        max_stock = int(nums[2])
        min_stock = int(nums[3])
        if min_stock < min_num:
            min_num = int(nums[3])
        if max_stock > max_num:
            max_num = int(nums[2])
        for i in fobj:
            total += int(i[1])
        mean = (total / len(fobj))
    print(min_num,"\n", max_num,"\n",mean)
read_data("AMZN.csv")

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-64-7002a87c76d6> in <module>
     22         mean = (total / len(fobj))
     23     print(min_num,"\n", max_num,"\n",mean)
---> 24 read_data("AMZN.csv")

<ipython-input-54-ba3e9be323cc> in read_data(fname)
     10         nums = line.split(',')
     11         num = nums[1]
---> 12         int_num = int(num)
     13         if int_num < min_num:
     14             min_num = int(nums[1])
ValueError: invalid literal for int() with base 10: 'Open'