Merge pull request avinashkranjan#832 from tanvi355/master

Distance conversion GUI

Author: avinashkranjan

Distance Conversion GUI/README.md

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+# DISTANCE UNIT CONVERTER or LENGTH UNIT CONVERTER
+
+## Description
+This is a distance unit converter using which we can convert the distance from one unit to other.
+
+Ex. cm to miles, feet to inches, etc.
+
+## Module used
+- Tkinter
+
+If you don't have Tkinter installed on your machine you can write:
+
+- In command prompt
+```
+pip install tk
+```
+- In conda prompt
+```
+conda install -c anaconda tk
+```
+
+## Output
+<p align="center">
+  <img src="https://github.com/tanvi355/Amazing-Python-Scripts/blob/master/Distance%20Conversion%20GUI/dist_conv1.PNG">
+  <br>
+  Initial window
+  <br><br>
+  <img src="https://github.com/tanvi355/Amazing-Python-Scripts/blob/master/Distance%20Conversion%20GUI/dist_conv2.PNG">
+  <br>
+  Conversion performed
+  <br><br>
+  <img src="https://github.com/tanvi355/Amazing-Python-Scripts/blob/master/Distance%20Conversion%20GUI/dist_conv3.PNG">
+  <br>
+  Warning message
+  <br><br>
+</p>
+
+## Author
+[Tanvi Bugdani](https://github.com/tanvi355)
+  

Distance Conversion GUI/dist_conv1.PNG

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+import tkinter as tk
+from tkinter import *
+from tkinter import messagebox
+
+#main window
+root = tk.Tk()
+#window size (width x height)
+root.geometry("600x350")
+#title of window
+root.title("Distance Unit Converter")
+#disabling resizing of window
+root.resizable(0, 0)
+#background colour of window
+root['bg'] = 'skyblue'
+
+#conversion factors
+conv_factors = {
+    "cm" : 0.01,
+    "m" : 1.0,
+    "km": 1000.0,
+    "feet": 0.3048,
+    "miles": 1609.344,
+    "inches": 0.0254,
+    "yards": 0.9144
+}
+
+#function to convert from one unit to other
+def convert():
+    ip = float(input.get())
+    ip_unit = ip_opt.get()
+    op_unit = op_opt.get()
+    #if user chooses same input & output unit then display warning
+    if(ip_unit==op_unit):
+        messagebox.showwarning("Warning","Select different units")
+    #else perform conversion
+    else:
+        output.delete(0, END)
+        ans = ip*(conv_factors[ip_unit]/conv_factors[op_unit])
+        output.insert(0, round(ans, 4))
+
+#menu default text
+ip_opt = StringVar()
+ip_opt.set("Select Unit")
+op_opt = StringVar()
+op_opt.set("Select Unit")
+
+#Adding Widgets
+greeting = Label(text="Welcome to Distance Unit Converter !!", bg="lavender", width=40, height=2, bd=2, relief="ridge", font = ("Lucida Console", 10, "italic"))
+greeting.grid(row = 0, column = 1, pady=20, padx=12)
+
+#---input row---
+fromlabel = Label(root, text="From", width=10, height = 2)
+fromlabel.grid(row = 2, column = 0, padx = 20, pady=20)
+
+input = Entry(root, justify="center")
+input.grid(row =2, column = 1, ipady=8)
+input.config(font = 8)
+
+ipmenu = OptionMenu(root, ip_opt, "cm", "m", "km", "feet", "miles", "inches", "yards")
+ipmenu.grid(row = 2, column = 2)
+
+#---output row---
+tolabel = Label(root, text="To", width=10, height = 2)
+tolabel.grid(row = 4, column = 0, padx = 20, pady=20)
+
+output = Entry(root, justify="center")
+output.grid(row =4, column = 1, ipady=8)
+output.config(font = 8)
+
+opmenu = OptionMenu(root, op_opt, "cm", "m", "km", "feet", "miles", "inches", "yards")
+opmenu.grid(row = 4, column = 2)
+
+#---convert Button---
+convertbtn = Button(root, text="Convert", justify="center", width=10, height = 2, command = convert, bg="lavender", font=("bold", 12))
+convertbtn.grid(row = 6, column = 1)
+
+root.mainloop()