Add files via upload

Lab1 submitted on 14/5/2022.

Author: Abinaya1702

Lab1_Part1.docx

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+# -*- coding: utf-8 -*-
+"""Part2.ipynb
+
+Automatically generated by Colaboratory.
+
+Original file is located at
+    https://colab.research.google.com/drive/1YKH_8wOqxHQERZweOaXM5TNxScIaLDOY
+"""
+
+# COMP 8347 - Internet Applications and Distributed Systems : Lab Assignment - I
+
+# Team Details:
+# 1. Abinaya Elanchezhian – 110061220
+# 2. Eswaran Badrinarayanan Venkateswaran – 110069235
+# 3. Lakshmi Narayanan Shankar – 110070078
+# 4. Vishal Jayaraman – 110067134
+
+from google.colab import files
+uploaded = files.upload()
+
+#@title Question a
+
+# opening file "inventory.txt"
+f = open("inventory.txt", "r") 
+# printing the read contents of the file
+print(f.read())
+
+#@title Question b
+
+# Defining 10 strings that represent a particular product
+productList = {'nutella', 'donut', 'green tea', 'black tea', 'coffee', 'black coffee', 'white mushrooms', 'magic mushrooms', 'cookies', 'tea biscuits'}
+productList
+
+#@title Question c
+
+# Looping over each item in the productList
+for x in productList:
+    # Opening the file in read mode
+    fp = open('inventory.txt', 'r')
+    # The variable a is the exit condition or flag for the while loop 
+    a = True  
+    while a:
+      # Reading each and every string present in the line using readline() function and storing it in data
+      data = fp.readline()
+      # Checking if item x in productList matches data (every line read) and if there is a match, the item is printed: else the loop continues 
+      if x in data:
+       print(x) 
+      # If the data reaches the end of file, then the loop terminates with the exit condition a = false
+      if not data:
+        a = False
+
+#@title Question d
+
+# Creating a list 'lst' for storing each matched items in the productList
+lst=[]
+for x in productList:
+    fp = open('inventory.txt', 'r')
+    a = True  
+    while a:
+      data = fp.readline()
+      # Checking if x in productList matches with data in inventory.txt
+      if x in data:
+        # Appending each matched item in the list 'lst'
+        lst.append(x)
+      if not data:
+        a = False
+# Printing the list 
+lst
+
+#@title Question e
+
+# Creating a dictionary k 
+k={}
+for x in productList:
+    fp = open('inventory.txt', 'r')
+    a = True  
+    while a:
+      
+      data = fp.readline()
+      if x in data:
+        # Using strip() function to remove newline character ("\n") from the data variable
+        # Using readline () function to read the quantity value from the next line
+        # data is the key of datatype string in dict k 
+        # readline() function will return the value (quantity) from inventory.txt and assigns it as a key-value pair - k{Product_key,Quantity_value}
+        k[str(data.strip())]=int(fp.readline())
+      if not data:
+        a = False
+# Printing the dictionary       
+k
+
+# Converting the productList as a dictionary 
+d1=dict.fromkeys(productList)
+d1
+
+# Updating the dictionary d1 with the quantity value k
+d1.update(k)
+
+d1
+
+# Creating a dict d2 to pass a new key value pair{"magic mushrooms": "2"} to the dict d1
+d2={}
+d2["magic mushrooms"]=2
+d1.update(d2)
+d1
+
+#@title Question f
+
+a = True
+while a:
+  # Getting user input (string)
+  s = input()
+  # Checking if user input is in the dict d1
+  if s in d1:
+    # If there is a match, then the value (quantity) of the dict d1 is printed
+    print(d1[s])
+  else:
+    print("Not found")
+  print("want to search again?")
+  # Getting user input to continue search or not
+  flag = input()
+  if flag != 'yes':
+    a = False
+
+#@title Question g
+
+a = True
+while a:
+  # Getting user input (string)
+  s = input()
+  # Checking if the exception is created using try and if one is created, the except block is executed
+  try:
+    print(d1[s])
+  except:
+    # Printing the exception message
+    print("Not found")
+  # Prompting the user to conduct a new search or not
+  print("want to search again?")
+  # Storing the user input into a flag variable
+  flag = input()
+  if flag != 'yes':
+    a = False