Python Project | Flipkart Reviews Sentiment Analysis| Data Science Projects

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Python Project | Stock Market Analysis Using Python | Data Science Projects

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Control structures [if elif]

Control structures 

if elif

•    Whenever you want to execute certain commands only when the certain condition is satisfied. 

•    So, in that case you can go for if else statements, the condition can also be single or you can also give multiple condition, in that case you will have multiple else statements.

• In the image below you can see this, more clearly.

     

• So, first we will look into the if else family of constructs, if else and If-elif-else are a family of constructs, where a condition is first checked, if it is satisfied only then the operations will be performed. 

• If, the condition is not satisfied the code exits the construct or moves on to the other options. So, whenever we use just an if statement or with an else statement or with using multiple if's and multiple else clause. 

• The first check would be the condition, whenever the condition is satisfied only then the code will be executed or the statement will be executed, otherwise the code exits the construct itself and moves to the other options. So, that is how the if else family of the constructs works. 

• Let us see different task for each construct. So, first we will look into if construct, the command would be if expression colon and statements in the next line.

• If is a key word, if the condition is satisfied whatever condition you have given it under the expression, then the statements will get executed. Otherwise, the code exit the construct itself. 

• Next, we will move ahead and see what is the syntax would be for If-else construct

• It forms a basis from the if construct, wherever we have given the first statement, using the if keyword and followed by if keyword you have to give the expression to be checked, that is where the condition to be specified.

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Operations On Dataframe in Python [Part II]

Concise summary of Dataframe.

• So, next we are going to see about how to get the concise summary of DataFrame.

• So, there is a command called info that returns a concise summary of a DataFrame, the concise summary includes the data type of index; index being the row labels, the data type of row labels is what the output gives as well as it gives the data type of columns, it also gives the count of non-null values.

• Basically, how many filled values are there in your DataFrame. 

• Also, it gives the memory usage of the DataFrame and the syntax would be you use the info command along with the DataFrame name.

Syntax = DataFrame.info()

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Wifi Password Generator in Python

WIFI PASSWORD EJECTOR

Description

• a simple python script that tells you the password of the wifi you're connected with

Requirements

• just need to install python in your system.

Source Code:- 

import subprocess

data = (

    subprocess.check_output(["netsh", "wlan", "show", "profiles"])

    .decode("utf-8")

    .split("\n")

)

profiles = [i.split(":")[1][1:-1] for i in data if "All User Profile" in i]

for i in profiles:

    results = (

        subprocess

        .check_output(["netsh", "wlan", "show", "profile", i, "key=clear"])

        .decode("utf-8")

        .split("\n")

    )

    results = [b.split(":")[1][1:-1] for b in results if "Key Content" in b]

    try:

        print("{:<30}|  {:<}".format(i, results[0]))

    except IndexError:

        print("{:<30}|  {:<}".format(i, ""))

Output:

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Python Project [ Age_Calculator]

Calculate Your Age!

This script prints your age in three different ways :

1. Years
2. Months
3. Days

Prerequisites

You only need Python to run this script. You can visit here to download Python.

Input:

import time

from calendar import isleap

# judge the leap year

def judge_leap_year(year):

    if isleap(year):

        return True

    else:

        return False

# returns the number of days in each month

def month_days(month, leap_year):

    if month in [1, 3, 5, 7, 8, 10, 12]:

        return 31

    elif month in [4, 6, 9, 11]:

        return 30

    elif month == 2 and leap_year:

        return 29

    elif month == 2 and (not leap_year):

        return 28

name = input("input your name: ")

age = input("input your age: ")

localtime = time.localtime(time.time())

year = int(age)

month = year * 12 + localtime.tm_mon

day = 0

begin_year = int(localtime.tm_year) - year

end_year = begin_year + year

# calculate the days

for y in range(begin_year, end_year):

    if (judge_leap_year(y)):

        day = day + 366

    else:

        day = day + 365

leap_year = judge_leap_year(localtime.tm_year)

for m in range(1, localtime.tm_mon):

    day = day + month_days(m, leap_year)

day = day + localtime.tm_mday

print("%s's age is %d years or " % (name, year), end="")

print("%d months or %d days" % (month, day))

Output :

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Python Project [Whatsapp Bot]

Whatsapp Bot

Perform Operation like

1. Put your details
2. connect with internet
3. Pass your message

Input:

import pywhatkit

from datetime import datetime

now = datetime.now()

chour = now.strftime("%H")

mobile = input('Enter Mobile No of Receiver : ')

message = input('Enter Message you wanna send : ')

hour = int(input('Enter hour : '))

minute = int(input('Enter minute : '))

pywhatkit.sendwhatmsg(mobile,message,hour,minute)

Output :

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Python Project [ Digital Clock]

This script create a digital clock as per the system's current time.

Input:

import tkinter as tk
	from time import strftime
	def light_theme():
	frame = tk.Frame(root, bg="white")
	frame.place(relx=0.1, rely=0.1, relwidth=0.8, relheight=0.8)
	lbl_1 = tk.Label(frame, font=('calibri', 40, 'bold'),
	background='White', foreground='black')
	lbl_1.pack(anchor="s")
	def time():
	string = strftime('%I:%M:%S %p')
	lbl_1.config(text=string)
	lbl_1.after(1000, time)
	time()
	def dark_theme():
	frame = tk.Frame(root, bg="#22478a")
	frame.place(relx=0.1, rely=0.1, relwidth=0.8, relheight=0.8)
	lbl_2 = tk.Label(frame, font=('calibri', 40, 'bold'),
	background='#22478a', foreground='black')
	lbl_2.pack(anchor="s")
	def time():
	string = strftime('%I:%M:%S %p')
	lbl_2.config(text=string)
	lbl_2.after(1000, time)
	time()
	root = tk.Tk()
	root.title("Digital-Clock")
	canvas = tk.Canvas(root, height=140, width=400)
	canvas.pack()
	frame = tk.Frame(root, bg='#22478a')
	frame.place(relx=0.1, rely=0.1, relwidth=0.8, relheight=0.8)
	lbl = tk.Label(frame, font=('calibri', 40, 'bold'),
	background='#22478a', foreground='black')
	lbl.pack(anchor="s")
	def time():
	string = strftime('%I:%M:%S %p')
	lbl.config(text=string)
	lbl.after(1000, time)
	time()
	menubar = tk.Menu(root)
	theme_menu = tk.Menu(menubar, tearoff=0)
	theme_menu.add_command(label="Light", command=light_theme)
	theme_menu.add_command(label="Dark", command=dark_theme)
	menubar.add_cascade(label="Theme", menu=theme_menu)
	root.config(menu=menubar)
	root.mainloop()

Output :

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Python Project [An application to save any random article from Wikipedia to a text file].

An application to save any random article from Wikipedia to a text file.

Output of the project

Source Code: 

from bs4 import BeautifulSoup

import requests

# Trying to open a random wikipedia article

# Special:Random opens random articles

res = requests.get("https://en.wikipedia.org/wiki/Special:Random")

res.raise_for_status()

# pip install htmlparser

wiki = BeautifulSoup(res.text, "html.parser")

r = open("random_wiki.txt", "w+", encoding='utf-8')

# Adding the heading to the text file

heading = wiki.find("h1").text

r.write(heading + "\n")

for i in wiki.select("p"):

    # Optional Printing of text

    # print(i.getText())

    r.write(i.getText())

r.close()

print("File Saved as random_wiki.txt")

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