Continuous improvement through focus.

import requests

def translate_logic(text, source_lang, target_lang):
    # Interfacing with external lookup dictionary mapping pipeline
    endpoint = "https://api.mymemory.translated.net/get"
    pair = f"{source_lang}|{target_lang}"
    response = requests.get(endpoint, params={"q": text, "langpair": pair})
    
    if response.status_code == 200:
        return response.json()["responseData"]["translatedText"]
    return "Network error: Connection timeout."

# Static Exchange Multiplier Standard Matrix
RATES = {
    'USD': 1.0,
    'EUR': 0.92,
    'INR': 83.12,
    'PKR': 278.50,
    'GBP': 0.79,
    'AED': 3.67,
    'SAR': 3.75,
    'JPY': 155.20
}

def convert_currency(val, from_curr, to_curr):
    base = val / RATES[from_curr]
    return base * RATES[to_curr]

# Pure CLI Python To-Do Application
todo_list = []

def add_task(task_name):
    todo_list.append({"task": task_name, "completed": False})

def toggle_task(index):
    if 0 <= index < len(todo_list):
        todo_list[index]["completed"] = not todo_list[index]["completed"]

def delete_task(index):
    if 0 <= index < len(todo_list):
        todo_list.pop(index)

import time

def focus_timer(duration_minutes=25):
    seconds = duration_minutes * 60
    while seconds > 0:
        mins, secs = divmod(seconds, 60)
        timer = f"{mins:02d}:{secs:02d}"
        print(timer, end="\r")
        time.sleep(1)
        seconds -= 1
    print("Session Concluded.")

# Basic Minimalist Python Terminal Calculator

def calculate(num1, op, num2):
    if op == '+': return num1 + num2
    elif op == '-': return num1 - num2
    elif op == '*': return num1 * num2
    elif op == '/': return num1 / num2 if num2 != 0 else "Error"
    elif op == '%': return num1 % num2
    return 0

print("--- Python Calculator ---")
try:
    n1 = float(input("First Number: "))
    operator = input("Operator (+, -, *, /, %): ").strip()
    n2 = float(input("Second Number: "))
    
    result = calculate(n1, operator, n2)
    print(f"Result: {result}")
except ValueError:
    print("Error: Invalid number representation.")

def compute_bmi(weight_kg, height_cm):
    height_m = height_cm / 100.0
    bmi = weight_kg / (height_m ** 2)
    
    if bmi < 18.5: status = "Underweight"
    elif 18.5 <= bmi < 25.0: status = "Normal"
    elif 25.0 <= bmi < 30.0: status = "Overweight"
    else: status = "Obese"
    
    return round(bmi, 1), status

def unit_converter(value, conversion_type):
    if conversion_type == "km-mi": return value * 0.621371
    elif conversion_type == "mi-km": return value / 0.621371
    elif conversion_type == "c-f": return (value * 9/5) + 32
    elif conversion_type == "f-c": return (value - 32) * 5/9
    elif conversion_type == "kg-lbs": return value * 2.20462
    elif conversion_type == "lbs-kg": return value / 2.20462
    return 0