Python - Write Python code to Perform

• 26th Aug, 2021
• 17:58 PM

# -*- coding: utf-8 -*-
"""Kon

Automatically generated by Colaboratory.

Original file is located at
    https://colab.research.google.com/drive/1Fe88oyprBo7upG_lvspyq9t1S5Rz_fjp
"""

# Question 1:

supplier_102={ "city": "Lake Peterfurt",
"contact_firstname": "Lucas",
"contact_lastname": "Reyes",
"contact_title": "Mr",
"country": "Australia",
"email": "lucas7404.reyes@gmail.com",
"notes": "",
"phone": "(02) 2310 6339",
"postcode": 2634,
"state": "Reyes",
"street_address": "09 /n 0 Tara Laneway",
"supplier_id": 102,
"supplier_name": "Mata, Townsend and Black"
}

# 1. Print all the keys from the dictionary
print("All the keys from the dictionary are: ",supplier_102.keys())
print()

# 2. Print all the values from the dictionary
print("All the values from the dictionary are: ", supplier_102.values())
print()

# 3. Check if item ‘mobile’ exists and print an appropriate message
if "mobile" in supplier_102:
  print("Yes, mobile exists in the supplier_102 ")
else:
  print("No, mobile does not exists in the supplier_102 ")
print()

# 4. Delete all items from the dictionary and print
supplier_102.clear()
print("Updated Supplier_102 is as follows: ",supplier_102)

# Question 2:

suppliers = [
{
"city":"St. Kellyton",
"contact_firstname":"Michelle",
"contact_lastname":"Mitchell",
"contact_title":"Mrs",
"country":"Australia",
"email":"michelle3113.mitchell@gmail.com",
"notes":"",
"phone":"(03) 9269 4800",
"postcode":2693,
"state":"Mitchell",
"street_address":"2 Alexander Grove",
"supplier_id":101,
"supplier_name":"Ferguson Inc"},
 
{
"city":"Lake Peterfurt",
"contact_firstname":"Lucas",
"contact_lastname":"Reyes",
"contact_title":"Mr",
"country":"Australia",
"email":"lucas7404.reyes@gmail.com",
"notes":"",
"phone":"(02) 2310 6339",
"postcode":2634,
"state":"Reyes",
"street_address":"09 /n 0 Tara Laneway",
"supplier_id":102,
"supplier_name":"Mata, Townsend and Black"},
 
{
"city":"Parkerborough",
"contact_firstname":"Marcia",
"contact_lastname":"Stanley",
"contact_title":"Mrs",
"country":"Australia",
"email":"marcia2459.stanley@gmail.com",
"notes":"",
"phone":"(07) 2644 5735",
"postcode":2619,
"state":"Stanley",
"street_address":"Suite 071n 3 Cody Upper",
"supplier_id":103,
"supplier_name":"White, Vargas and Ballard"}
]

# 1. Find the length of list
print("The length of the list suppliers is: ", len(suppliers))
print()

# 2. Change “supplier_name” of supplier with “supplier_id”=102 from “Mata, Townsend and Black” to “Mata, Townsend and Black & Co"

for dicti in suppliers:
  if (dicti["supplier_id"] == 102):
    dicti["supplier_name"]= "Mata, Townsend and Black & Co"
    print("Modified Dictionary:",dicti)
print()

# 3. Add a new supplier to the list
new_supplier= {"city":"",
"contact_firstname":"",
"contact_lastname":"",
"contact_title":"",
"country":"",
"email":"",
"notes":"",
"phone":"",
"postcode":"",
"state":"",
"street_address":"",
"supplier_id":suppliers[-1]["supplier_id"]+1,
"supplier_name":""}
suppliers.append(new_supplier)
print("New Supplier_id added in supplier list:")
for dicti in suppliers:
  print(dicti)
print()

# 4. Remove supplier with “supplier_id” =103
for dicti in suppliers:
  if (dicti["supplier_id"] == 103):
    suppliers.remove(dicti)
print("The updated suppleir list is as follows (deleted suplier having id 103):")    
for dicti in suppliers:
  print(dicti)

# Question 3

lst_num=[1, 25, 2, 30, 8]

def max_items(items):
  maxm = 0
  for i in items:
    if i > maxm:
      maxm= i
  return maxm

max_items(lst_num)

# Question 4:

suppliers= [
{
"city":"St. Kellyton",
"contact_firstname":"Michelle",
"contact_lastname":"Mitchell",
"contact_title":"Mrs",
"country":"Australia",
"email":"michelle3113.mitchell@gmail.com",
"notes":"",
"phone":"(03) 9269 4800",
"postcode":2693,
"state":"Mitchell",
"street_address":"2 Alexander Grove",
"supplier_id":101,
"supplier_name":"Ferguson Inc"},

{
"city":"Lake Peterfurt",
"contact_firstname":"Lucas",
"contact_lastname":"Reyes",
"contact_title":"Mr",
"country":"Australia",
"email":"lucas7404.reyes@gmail.com",
"notes":"",
"phone":"(02) 2310 6339",
"postcode":2634,
"state":"Reyes",
"street_address":"09 /n 0 Tara Laneway",
"supplier_id":102,
"supplier_name":"Mata, Townsend and Black"},

{
"city":"Parkerborough",
"contact_firstname":"Marcia",
"contact_lastname":"Stanley",
"contact_title":"Mrs",
"country":"Australia",
"email":"marcia2459.stanley@gmail.com",
"notes":"",
"phone":"(07) 2644 5735",
"postcode":2619,
"state":"Stanley",
"street_address":"Suite 071n 3 Cody Upper",
"supplier_id":103,
"supplier_name":"White, Vargas and Ballard"}
]

name_lst=[]

for dicti in suppliers:
  name_lst.append(dicti.get('supplier_name'))

print("List of Supplier Names are as follows: ",name_lst)
print()
print("List converted into a Single String is as follows:")
print("; ".join(name_lst))

# Question 5:

prod_104 = {"discontinued":0,
"lead_time_days":4,
"product_category":"Personal Computers",
"product_description":"8 inch Display (1920×1200)",
"product_id":104,
"product_name":"NVIDIA SHIELD Tablet (WiFi)",
"reorder_level":10,
"unit_price":299.0
}

print("The Dictionary prod_104 is as follow: ")
print(prod_104 )

# Question 6:

suppliers= [
{
"city":"St. Kellyton",
"contact_firstname":"Michelle",
"contact_lastname":"Mitchell",
"contact_title":"Mrs",
"country":"Australia",
"email":"michelle3113.mitchell@gmail.com",
"notes":"",
"phone":
"(03) 9269 4800",
"postcode":2693,
"state":"Mitchell",
"street_address":"2 Alexander Grove",
"supplier_id":101,
"supplier_name":"Ferguson Inc"
},
{
"city":"Lake Peterfurt",
"contact_firstname":"Lucas",
"contact_lastname":"Reyes",
"contact_title":"Mr",
"country":
"Australia",
"email":"lucas7404.reyes@gmail.com",
"notes":"xyz",
"phone":"(02) 2310 6339",
"postcode":2634,
"state":"Reyes",
"street_address":"09 /n 0 Tara Laneway",
"supplier_id":102,
"supplier_name":"Mata, Townsend and Black"
},
{
"city":"Parkerborough",
"contact_firstname":"Marcia",
"contact_lastname":
"Stanley",
"contact_title":"Mrs",
"country":"Australia",
"email":
"marcia2459.stanley@gmail.com",
"notes":"",
"phone":"(07) 2644 5735",
"postcode":2619,
"state":"Stanley",
"street_address":"Suite 071n 3 Cody Upper",
"supplier_id":103,
"supplier_name":"White, Vargas and Ballard"}
]

resulted_list = list(filter(lambda x: x["city"] in ["Parkerborough", "Lake Peterfurt"], suppliers)) 
 
print("Length of resulted_list: ",len(resulted_list))
print()
print("The resulted list is as follows: ")
resulted_list

# Question 7:

suppliers = [
{
"city":"St. Kellyton",
"contact_firstname":"Michelle",
"contact_lastname":"Mitchell",
"contact_title":"Mrs",
"country":"Australia",
"email":"michelle3113.mitchell@gmail.com",
"notes":"",
"phone":"(03) 9269 4800",
"postcode":2693,
"state":"Mitchell",
"street_address":"2 Alexander Grove",
"supplier_id":101,
"supplier_name":"Ferguson Inc"
},
{
"city":"Lake Peterfurt",
"contact_firstname":"Lucas",
"contact_lastname":"Reyes",
"contact_title":"Mr",
"country":"Australia",
"email":"lucas7404.reyes@gmail.com",
"notes":"xyz",
"phone":"(02) 2310 6339",
"postcode":2634,
"state":"Reyes",
"street_address":"09 /n 0 Tara Laneway",
"supplier_id":102,
"supplier_name":"Mata, Townsend and Black"},
{
"city":"Parkerborough",
"contact_firstname":"Marcia",
"contact_lastname":"Stanley",
"contact_title":"Mrs",
"country":"Australia",
"email":"marcia2459.stanley@gmail.com",
"notes":"",
"phone":"(07) 2644 5735",
"postcode":2619,
"state":"Stanley",
"street_address":"Suite 071n 3 Cody Upper",
"supplier_id":103,
"supplier_name":"White, Vargas and Ballard"}
]

result = list(map(lambda x: str(x["supplier_id"])+"-"+x["supplier_name"] , suppliers)) 
result

# Question 8:

from datetime import datetime

# Convert a date string in the format “dd/mm/yyyy” to a date object and print it

date_string = '21/02/2020'

datetime_object = datetime.strptime(date_string, '%d/%m/%Y').strftime('%m/%d/%y')
print("Converted Date-Time object in python: ",datetime_object)
print()

#Create a date object using the values (2020, 3, 20) 
x = datetime(2020, 3, 20)

print("A date object using the values (2020, 3, 20):",x.strftime("%d/%m/%y"))

# Question 9

import re

phone_num = "(03) 9269 4800"

start = re.escape("(")
end   = re.escape(")")

code = re.search('%s(.*)%s' % (start, end), phone_num).group(1)

print(code)

supplier2={
"city":"St. Kellyton",
"contact_firstname":"Michelle",
"contact_lastname":"Mitchell",
"contact_title":"Mrs",
"country":"Australia",
"email":"michelle3113.mitchell@gmail.com",
"notes":"",
"phone":"(03) 9269 4800",
"postcode":2693,
"state":"Mitchell",
"street_address":"2 Alexander Grove",
"supplier_id":101,
"supplier_name":"Ferguson Inc"
}

class Supplier:
  # The init method or constructor  
    def __init__(self, supplier):  
            
        # Instance Variable  
        self.city = supplier["city"] 
        self.contact_firstname= supplier["contact_firstname"]
        self.contact_lastname = supplier["contact_lastname"]
        self.contact_title = supplier["contact_title"]
        self.country= supplier["country"]
        self.email= supplier["email"]
        self.notes= supplier["notes"]
        self.phone= supplier["phone"]
        self.postcode= supplier["postcode"]
        self.state= supplier["state"]
        self.street_address= supplier["street_address"]
        self.supplier_id= supplier["supplier_id"]
        self.supplier_name= supplier["supplier_name"]
    
    # Adds an instance variable   
    def set_supplier_name(self, supplier_name):  
        self.supplier_name = supplier_name  
        
    # Retrieves instance variable      
    def get_supplier_details(self):      
        return str(self.supplier_id) + "-" + self.supplier_name

supp= Supplier(supplier2)

supp.get_supplier_details()

supp2 = Supplier(supplier2)
supp2.set_supplier_name("Cartan")

supp2.get_supplier_details()