Feat/password generator

Age Calculator/calculate.py

@@ -1,25 +1,25 @@
 import time
 from calendar import isleap
 
-def judge_leap_year(year):
-    if isleap(year):
-        return True
-    else:
-        return False
+# Check if a year is a leap year
+def judge_leap(year: int) -> bool:
+    return isleap(year)
 
-def month_days(month, leap_year):
+# Return number of days in a month, considering leap years
+def month_days(month: int, leap_year: bool) -> int:
     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):
+    else:
         return 28
 
-
+# User input
 name = input("Please enter your name: ")
-age = input("Please enter your age: ")
+age = int(input("Please enter your age: "))
+
 localtime = time.localtime(time.time())
 
 year = int(age)
@@ -29,16 +29,25 @@ def month_days(month, leap_year):
 begin_year = int(localtime.tm_year) - year
 end_year = begin_year + year
 
+# Count days in past years
 for y in range(begin_year, end_year):
-    if (judge_leap_year(y)):
-        day = day + 366
+    if judge_leap(y):
+        day += 366
     else:
-        day = day + 365
+        day += 365
 
-leap_year = judge_leap_year(localtime.tm_year)
+# Add days from current year
+leap_year = judge_leap(localtime.tm_year)
 for m in range(1, localtime.tm_mon):
-    day = day + month_days(m, leap_year)
-
-day = day + localtime.tm_mday
-print("\n\t%s's age is %d years or " % (name, year), end="")
-print("%d months or %d days" % (month, day))
+    day += month_days(m, leap_year)
+
+# Approximate breakdown (ignores time of day)
+hours = day * 24
+minutes = hours * 60
+seconds = minutes * 60
+
+print(f"\nHello {name}, you are approximately:")
+print(f"  {day:,} days")
+print(f"  {hours:,} hours")
+print(f"  {minutes:,} minutes")
+print(f"  {seconds:,} seconds old!")

CountDown Timer/main.py

@@ -1,6 +1,30 @@
 from tkinter import *
 import tkinter as tk
 
+def fmt_time(seconds: int) -> str:
+    seconds = max(0, int(seconds))
+    m, s = divmod(seconds, 60)
+    return f"{m:02d}:{s:02d}"
+
+    try:
+    import winsound  # Windows
+except Exception:
+    winsound = None
+
+def play_alarm():
+    try:
+        if winsound:
+            winsound.Beep(880, 300)
+            winsound.Beep(988, 300)
+            winsound.Beep(1047, 300)
+        else:
+            # macOS/Linux fallback: terminal bell
+            print("\a", end="", flush=True)
+    except Exception:
+        pass
+
+
+
 class Application(Frame):
     def __init__(self,master):
         super(Application,self).__init__(master)
@@ -39,7 +63,9 @@ def createWidgets(self):
         self.someFrame.pack(side=TOP)
 
         self.labelvariable = StringVar()
-        self.labelvariable.set("")
+        self.labelvariable.set(fmt_time(0))
+
+
 
         self.thelabel = Label(self,textvariable = self.labelvariable,font=('Helvetica',50))
         self.thelabel.pack(side=TOP)
@@ -80,14 +106,15 @@ def closeApp(self):
     def countdown(self, timeInSeconds, start=True):
         if timeInSeconds == 0:
             self._starttime=0
-            self.labelvariable.set("0")
-            return
+            self.labelvariable.set(fmt_time(0))
+            play_alarm()
+            return 
         if start:
             self._starttime = timeInSeconds
         if self._paused:
             self._alarm_id = self.master.after(1000, self.countdown, timeInSeconds, False)
         else:
-            app.labelvariable.set(timeInSeconds)
+            app.labelvariable.set(fmt_time(timeInSeconds))
             self._alarm_id = self.master.after(1000, self.countdown, timeInSeconds-1, False)
 
 

Digital Clock/main.py

@@ -1,23 +1,50 @@
 from time import strftime
-from tkinter import Label, Tk
+from tkinter import Label, Tk , Button
 
 window = Tk()
 window.title("Digital Clock")
 window.geometry("300x100")
 window.configure(bg="green")
 window.resizable(False, False) 
 
+use_24h = True
+
 clock_label = Label(
     window, bg="black", fg="green", font=("Arial", 30, "bold"), relief="flat"
 )
 clock_label.place(x=50, y=50)
 
 
+date_label = Label(
+    window, bg="black", fg="white", font=("Arial", 14)
+)
+date_label.pack(pady=(0, 10), anchor="center")
+
+
+
+def toggle_format(_evt=None):
+    global use_24h
+    use_24h = not use_24h
+    fmt_btn.config(text="Switch to 24-hour" if not use_24h else "Switch to 12-hour")
+
+fmt_btn = Button(window, text="Switch to 12-hour", command=toggle_format)
+fmt_btn.pack(pady=(0, 8))
+window.bind("<f>", toggle_format)  # press 'f' to toggle
+
+
+
 def update_label():
-    current_time = strftime("%H: %M: %S\n %d-%m-%Y ")
-    clock_label.configure(text=current_time)
-    clock_label.after(80, update_label)
-    clock_label.pack(anchor="center")
+
+    if use_24h:
+        time_text = strftime("%H:%M:%S")
+    else:
+        # strip leading zero in 12h mode for a cleaner look
+        time_text = strftime("%I:%M:%S %p").lstrip("0")
+    clock_label.configure(text=time_text)
+    date_label.configure(text=strftime("%A, %b %d, %Y"))
+    window.after(1000, update_label)
 
 update_label()
-window.mainloop()
+window.mainloop()
+
+

Geographic Distance/geographic_distance.py

@@ -17,6 +17,32 @@ def calculate_distance_and_time(coord1, coord2, avg_speed):
 
     return distance, travel_time
 
+    def validate_coordinates(coord):
+    """Ensure latitude and longitude are within valid ranges."""
+    lat, lon = coord
+    if not (-90 <= lat <= 90):
+        raise ValueError(f"Latitude {lat} out of range (-90..90)")
+    if not (-180 <= lon <= 180):
+        raise ValueError(f"Longitude {lon} out of range (-180..180)")
+    return coord
+
+    def km_to_miles(km: float) -> float:
+    """Convert kilometers to miles."""
+    return km * 0.621371
+
+    def format_travel_time(hours: float) -> str:
+    """Format fractional hours as 'Hh Mm'."""
+    h = int(hours)
+    m = int(round((hours - h) * 60))
+    if m == 60:
+        h += 1
+        m = 0
+    return f"{h}h {m}m"
+
+
+
+
+
 
 def main():
     # Coordinates (latitude, longitude)

Password Generator/main.py

@@ -1,6 +1,7 @@
 from tkinter import *
 from random import choice
 import string
+import pyperclip
 
 class App:
     def __init__(self):
@@ -13,7 +14,8 @@ def __init__(self):
 
         self.label()
         self.entry()
-        self.button()
+        self.options()
+        self.buttons()
 
     def label(self):
         label_title = Label(self.window, text='Welcome to password generator', font=('Courrier', 20), bg='gray', fg='black')
@@ -34,6 +36,18 @@ def generate_password(self):
             password+=choice(characters)
         self.password_entry.delete(0, END)
         self.password_entry.insert(0, password)
+
+        if length < 8:
+            strength = "Weak"
+        elif length < 12:
+            strength = "Medium"
+        else:
+            strength = "Strong"
+        self.strength_label.config(text=f"Strength: {strength}")
+
+    def copy_password(self):
+        pyperclip.copy(self.password_entry.get())
+        self.strength_label.config(text="Copied to clipboard!")
 
 app = App()
 app.window.mainloop()

Pomodoro Timer/main.py

@@ -1,18 +1,17 @@
 import time
 
 
-def countdown(minutes, label):
+def countdown(minutes: int, label: str) -> None:
+    """Print a mm:ss countdown once per second for the given label."""
     total_seconds = minutes * 60
-    while total_seconds:
+    while total_seconds >= 0:
         mins, secs = divmod(total_seconds, 60)
-        timer = f"{mins:02d}:{secs:02d}"
-        print(f"{label} Timer: {timer}", end="\r")
+        print(f"{label} Timer: {mins:02d}:{secs:02d}", end="\r")
         time.sleep(1)
         total_seconds -= 1
     print(f"\n{label} finished!")
 
-
-def handle_pause_stop():
+def handle_pause_stop() -> bool:
     while True:
         user_input = input(
             "\nPress 'p' to pause, 's' to stop, or 'Enter' to continue: "
@@ -69,4 +68,8 @@ def get_valid_input(prompt):
     long_break_minutes = get_valid_input("Enter long break interval in minutes: ")
     cycles = get_valid_input("Enter the number of cycles: ")
 
-    pomodoro_timer(work_minutes, short_break_minutes, long_break_minutes, cycles)
+   while True:
+        pomodoro_timer(work_minutes, short_break_minutes, long_break_minutes, cycles)
+        # If user chose to repeat at the end, loop continues; otherwise we break here.
+        if not repeat_or_end():
+            break

Pomodoro Timer/pomodoro.py

@@ -0,0 +1,75 @@
+import time
+
+
+def countdown(minutes: int, label: str) -> None:
+    """Print a mm:ss countdown once per second for the given label."""
+    total_seconds = minutes * 60
+    while total_seconds >= 0:
+        mins, secs = divmod(total_seconds, 60)
+        print(f"{label} Timer: {mins:02d}:{secs:02d}", end="\r")
+        time.sleep(1)
+        total_seconds -= 1
+    print(f"\n{label} finished!")
+
+def handle_pause_stop() -> bool:
+    while True:
+        user_input = input(
+            "\nPress 'p' to pause, 's' to stop, or 'Enter' to continue: "
+        ).lower()
+        if user_input == "p":
+            print("Timer paused. Press 'Enter' to resume.")
+            input()
+        elif user_input == "s":
+            print("Timer stopped.")
+            return True  # Return True to signal that the timer should stop
+        else:
+            return False  # Return False to continue with the timer
+
+
+def pomodoro_timer(work_min, short_break_min, long_break_min, cycles):
+    for i in range(cycles):
+        print(f"\nCycle {i+1} of {cycles}")
+        countdown(work_min, "Work")
+        if i < cycles - 1:
+            print("\nStarting short break...")
+            if handle_pause_stop():
+                return
+            countdown(short_break_min, "Short Break")
+        else:
+            print("\nStarting long break...")
+            if handle_pause_stop():
+                return
+            countdown(long_break_min, "Long Break")
+            if not repeat_or_end():
+                return
+
+
+def repeat_or_end():
+    user_input = input(
+        "\nCycle finished. Would you like to repeat the cycle? (y/n): "
+    ).lower()
+    return user_input == "y"
+
+
+def get_valid_input(prompt):
+    while True:
+        try:
+            value = int(input(prompt))
+            if value <= 0:
+                raise ValueError
+            return value
+        except ValueError:
+            print("Invalid input. Please enter a positive integer.")
+
+
+if __name__ == "__main__":
+    work_minutes = get_valid_input("Enter work interval in minutes: ")
+    short_break_minutes = get_valid_input("Enter short break interval in minutes: ")
+    long_break_minutes = get_valid_input("Enter long break interval in minutes: ")
+    cycles = get_valid_input("Enter the number of cycles: ")
+
+   while True:
+        pomodoro_timer(work_minutes, short_break_minutes, long_break_minutes, cycles)
+        # If user chose to repeat at the end, loop continues; otherwise we break here.
+        if not repeat_or_end():
+            break