Pomodoro App in Python

<img src="https://i.imgur.com/4Ch1OYr.jpg">

```bash
cd Pomodoro-App
python3 main.py
```

1. Hit the start button and timer will begin.
2. After 25 minutes one rep will be complete and timer for break will begin.
3. After break of 10 minutes again timer for work will start.
4. After 4 reps of work and break then you will be greeted with well done message on the screen.
5. Each rep is shown by the tick mark (✅).
6. To stop and reset the timer simply hit reset.

![Start](https://i.imgur.com/LDstdPS.png)
![Break](https://i.imgur.com/Pp0hx8X.png)
![Well Done](https://i.imgur.com/iyYIDZX.png)

Author: Harshit Kr Vishwakarma

Pomodoro-App/README.md

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+# Pomodoro App in Python
+
+## About Pomodoro
+Pomodoro is Italian for tomato. 🍅) <br>
+This popular time management method asks you to alternate pomodoros — focused work sessions — with frequent short breaks to promote sustained concentration and stave off mental fatigue.
+
+## Pomodoro Technique
+<img src="https://i.imgur.com/4Ch1OYr.jpg">
+
+## Running the app
+```bash
+cd Pomodoro-App
+python3 main.py
+```
+
+# How the app works
+1. Hit the start button and timer will begin.
+2. After 25 minutes one rep will be complete and timer for break will begin.
+3. After break of 10 minutes again timer for work will start.
+4. After 4 reps of work and break then you will be greeted with well done message on the screen.
+5. Each rep is shown by the tick mark (✅).
+6. To stop and reset the timer simply hit reset.
+
+## Screenshots of the app
+
+### Work
+![Start](https://i.imgur.com/LDstdPS.png)
+### Break
+![Break](https://i.imgur.com/Pp0hx8X.png)
+### Well Done
+![Well Done](https://i.imgur.com/iyYIDZX.png)

Pomodoro-App/main.py

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+from tkinter import *
+import math
+
+# ---------------------------- CONSTANTS ------------------------------- #
+PINK = "#e2979c"
+RED = "#e7305b"
+GREEN = "#9bdeac"
+YELLOW = "#f7f5dd"
+FONT_NAME = "Courier"
+
+# set work time in min
+WORK_MIN = 25
+
+# set break time in min
+SHORT_BREAK_MIN = 10
+
+# set long break time in min
+LONG_BREAK_MIN = 20
+reps = 0
+check = ""
+timer = None
+# ---------------------------- TIMER RESET ------------------------------- # 
+
+def on_reset(count="00:00"):
+    global reps, check
+    reps = 0
+    check = ""
+
+    window.after_cancel(timer)
+    label.config(text="TIMER",fg=RED)
+    canvas.itemconfig(countdown_text, text="00:00")
+    check_mark.config(text=check)
+    
+
+# ---------------------------- TIMER MECHANISM ------------------------------- # 
+
+def on_start():
+    global reps
+
+    reps += 1
+
+    work_min = WORK_MIN * 60
+    short_break_min = SHORT_BREAK_MIN * 60
+    long_break_min = LONG_BREAK_MIN * 60
+
+    if reps == 9:
+       label.config(text="WELL DONE",fg=RED)
+    elif reps % 8 == 0:  
+        label.config(text="BREAK", fg=RED)
+        countdown(long_break_min)
+    elif reps % 2 == 0:   
+        label.config(text="BREAK", fg=PINK)
+        countdown(short_break_min)
+    else:
+      
+        label.config(text="WORK", fg=GREEN)
+        countdown(work_min)
+           
+
+# ---------------------------- COUNTDOWN MECHANISM ------------------------------- # 
+
+def countdown(count):
+    global check, timer
+    min = math.floor(count / 60)
+    sec = count % 60
+    if sec == 0:
+        sec = "00"
+    if int(sec) < 10 and int(sec) > 0:
+        sec = f"0{sec}"
+
+    canvas.itemconfig(countdown_text, text=f"{min}:{sec}")
+    if count > 0:
+        timer = window.after(1000, countdown, count-1)
+    else:
+        if reps % 2 != 0:
+            check += "✔"
+            check_mark.config(text=check)
+        on_start()
+
+# ---------------------------- UI SETUP ------------------------------- #
+window = Tk()
+window.title("Pomodoro")
+window.config(padx=100, pady=50, bg=YELLOW)
+
+label = Label(text="Timer", font=(FONT_NAME, 30, "bold"), fg=GREEN, bg=YELLOW)
+label.config(pady=20)
+label.grid(row=0, column=1)
+
+canvas = Canvas(width=200, height=224, bg=YELLOW, highlightthickness=0)
+tomato_img = PhotoImage(file="tomato.png")
+canvas.create_image(100, 112, image=tomato_img)
+countdown_text = canvas.create_text(100, 130, text="00:00", fill="black", font=(FONT_NAME, 22, "bold"))
+canvas.grid(row=1, column=1)
+
+start_button = Button(text="Start", command=on_start, width=10)
+start_button.grid(row=2, column=0)
+
+check_mark = Label(text=check, font=(FONT_NAME, 15, "bold"), fg=GREEN, bg=YELLOW)
+check_mark.grid(row=2, column=1)
+
+reset_button = Button(text="Reset", command=on_reset, width=10)
+reset_button.grid(row=2, column=2)
+
+window.mainloop()