Count Down Timer

projects/GUI Count Down Timer/Count Down Timer GUI.py

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+from tkinter import *
+
+t = 0
+
+
+def set():
+    global t
+    t = t + int(entry.get())
+    return t
+
+
+def start():
+    global t
+    if t > 0:
+        lbl.config(text=t)
+        t = t - 1
+        lbl.after(1000,start)
+        return t
+    elif t == 0:
+        lbl.config(text="go")
+
+
+root = Tk()
+
+root.geometry("380x350")
+root.config(bg="black")
+
+Label(root, text="Count Down Timer", font=("bell mt", 30),bg="black",fg="#00ff00").grid(row=0, column=0, padx=20)
+
+Label(root,text="Select the seconds",font=("bell mt",20),bg="black",fg="#00ff00").grid(row=1,column=0,padx=20)
+
+entry = Entry(root, font=("castellar", 15),fg="black")
+entry.grid(row=2, column=0, padx=20,pady=15)
+
+b1 = Button(root, text='Set  Timer', font=("bell mt", 20),bg="black",fg="#00ff00",width=10,height=1, command=set)
+b1.grid(row=3, column=0, padx=20,pady=10)
+
+b2 = Button(root, text='Start Timer', font=("bell mt", 20),bg="black",fg="#00ff00",width=10,height=1, command=start)
+b2.grid(row=4, column=0, padx=20,pady=10)
+
+lbl = Label(root, text="", font=("algerian", 30),fg="#00ff00",bg="black")
+lbl.grid(row=5, column=0, padx=20)
+
+root.mainloop()

projects/GUI Count Down Timer/README.md

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+<h1 align="center">Count Down Timer</h1>
+
+<ol>
+<li>Enter the seconds for the countdown</li>
+<li>Click on set time for setting the timer</li>
+<li>Then click start</li>
+<ol>
+  <br><br>
+
+![image](https://user-images.githubusercontent.com/70272542/143604324-b1a3d224-db09-498f-aa50-1154c05d849e.png)
+
+
+![image](https://user-images.githubusercontent.com/70272542/143605022-c3468f86-9548-4780-bff0-18478817ddc9.png)
+