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Merge pull request avinashkranjan#517 from mehabhalodiya/DRS

Added Dice roll simulator

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Dice-Roll-Simulator

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`‎Dice-Roll-Simulator/README.md‎`

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`1`		`-### In this script we will create a classic rolling dice simulator with the help of basic Python knowledge. Here we will be using the random module since we randomize the dice simulator for random outputs.`
	`1`	`+#Dice Rolling Simulator`
`2`	`2`
`3`		`-### random.randint(): This function generates a random number in the given range.`
	`3`	`+## Description`
	`4`	`+We all know about dice. It’s a simple cube with numbers from 1 to 6 written on its face. But what is simulation? It is making a computer model. Thus, a dice simulator is a simple computer model that can roll a dice for us.`
`4`	`5`
`5`		`-### Below is the implementation.`
`6`		`-[Implementation](https://github.com/Ayush7614/Amazing-Python-Scripts/blob/master/Dice%20Roll%20Simulator/program.py)`
	`6`	`+</br>`
`7`	`7`
	`8`	`+### Step 1: Importing the required modules`
	`9`	`+</br>`
	`10`	`+`
	`11`	`+We will import the following modules:`
	`12`	`+- Tkinter: Imported to use Tkinter and make GUI applications.`
	`13`	`+- Image, Imagetk: Imported from PIL, i.e. Python Imaging Library. We use it to perform operations involving images in our UI.`
	`14`	`+- Random: Imported to generate random numbers.`
	`15`	`+`
	`16`	`+</br>`
	`17`	`+`
	`18`	`+### Step 2: Building a top-level widget to make the main window for our application`
	`19`	`+</br>`
	`20`	`+`
	`21`	`+In this step, we will build the main window of our application, where the buttons, labels, and images will reside. We also give it a title by title() function.`
	`22`	`+`
	`23`	`+</br>`
	`24`	`+`
	`25`	`+### Step 3: Designing the buttons`
	`26`	`+</br>`
	`27`	`+`
	`28`	`+Now, just think, what we need to roll a die? Just our hands!`
	`29`	`+`
	`30`	`+Here, we use pack() to arrange our widgets in row and column form. The ‘BlankLine’ label is to skip a line, whereas we use ‘HeadingLabel’ label to give a heading.`
	`31`	`+`
	`32`	`+- root – the name by which we refer to the main window of the application`
	`33`	`+- text – text to be displayed in the HeadingLabel`
	`34`	`+- fg – the colour of the font used in HeadingLabel`
	`35`	`+- bg – background colour of the HeadingLabel`
	`36`	`+- font – used to give customised fonts to the HeadingLabel text`
	`37`	`+- .pack() – Used to pack the widget onto the root window`
	`38`	`+`
	`39`	`+</br>`
	`40`	`+`
	`41`	`+### Step 4: Forming a list of images to be randomly displayed`
	`42`	`+</br>`
	`43`	`+`
	`44`	`+‘dice’ is the list of names of images kept in same folder, which are chosen randomly according to the random number generated.`
	`45`	`+</br>`
	`46`	`+`
	`47`	`+‘DiceImage’ is used to store an image of dice which is chosen by randomly generated numbers.`
	`48`	`+`
	`49`	`+</br>`
	`50`	`+`
	`51`	`+### Step 5: Constructing a label for image, adding a button and assigning functionality`
	`52`	`+</br>`
	`53`	`+`
	`54`	`+‘ImageLabel’ is to place an image in the window. The parameter expands declared as True so that even if we resize the window, image remains in the center.`
	`55`	`+</br>`
	`56`	`+`
	`57`	`+Major function:`
	`58`	`+`
	`59`	`+‘rolling_dice’ function is a function that is executed every time a button is clicked. This is attained through the ‘command=rolling_dice’ parameter while defining a button.`
	`60`	`+`
	`61`	`+</br>`
	`62`	`+`
	`63`	`+### Step 6: Forming a list of images to be randomly displayed`
	`64`	`+</br>`
	`65`	`+`
	`66`	`+‘root.mainloop()’ is used to open the main window. It acts as the main function of our program.`

`‎Dice-Roll-Simulator/dice_roll_simulator.py‎`

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	`1`	`+import tkinter`
	`2`	`+from PIL import Image, ImageTk`
	`3`	`+import random`
	`4`	`+`
	`5`	`+# toplevel widget which represents the main window of an application`
	`6`	`+root = tkinter.Tk()`
	`7`	`+root.geometry('400x400')`
	`8`	`+root.title('Roll the Dice')`
	`9`	`+`
	`10`	`+# Adding label into the frame`
	`11`	`+l0 = tkinter.Label(root, text="")`
	`12`	`+l0.pack()`
	`13`	`+`
	`14`	`+# adding label with different font and formatting`
	`15`	`+l1 = tkinter.Label(root, text="Dice Rolling Simulator", fg = "white",`
	`16`	`+ bg = "black",`
	`17`	`+ font = "Helvetica 16 bold italic")`
	`18`	`+l1.pack()`
	`19`	`+`
	`20`	`+# images`
	`21`	`+dice = ['./Dice-Roll-Simulator/imgs/die1.png', './Dice-Roll-Simulator/imgs/die2.png', './Dice-Roll-Simulator/imgs/die3.png', './Dice-Roll-Simulator/imgs/die4.png', './Dice-Roll-Simulator/imgs/die5.png', './Dice-Roll-Simulator/imgs/die6.png']`
	`22`	`+# simulating the dice with random numbers between 0 to 6 and generating image`
	`23`	`+image1 = ImageTk.PhotoImage(Image.open(random.choice(dice)))`
	`24`	`+`
	`25`	`+# construct a label widget for image`
	`26`	`+label1 = tkinter.Label(root, image=image1)`
	`27`	`+label1.image = image1`
	`28`	`+`
	`29`	`+# packing a widget in the parent widget`
	`30`	`+label1.pack( expand=True)`
	`31`	`+`
	`32`	`+# function activated by button`
	`33`	`+def rolling_dice():`
	`34`	`+ image1 = ImageTk.PhotoImage(Image.open(random.choice(dice)))`
	`35`	`+ # update image`
	`36`	`+ label1.configure(image=image1)`
	`37`	`+ # keep a reference`
	`38`	`+ label1.image = image1`
	`39`	`+`
	`40`	`+`
	`41`	`+# adding button, and command will use rolling_dice function`
	`42`	`+button = tkinter.Button(root, text='Click here to Roll the Dice', fg='blue', command=rolling_dice)`
	`43`	`+`
	`44`	`+# pack a widget in the parent widget`
	`45`	`+button.pack( expand=True)`
	`46`	`+`
	`47`	`+# call the mainloop of Tk`
	`48`	`+# keeps window open`
	`49`	`+root.mainloop()`