{}
# ⭐ Mini Project 5 — Compound Interest Calculator 💵
# Formula: A = P(1 + r/100)^t
principal = float(input("Enter the principal amount ($): "))
while principal < 0:
print("Principal cannot be negative.")
principal = float(input("Enter the principal amount ($): "))
rate = float(input("Enter the annual interest rate (%): "))
while rate < 0:
print("Rate cannot be negative.")
rate = float(input("Enter the annual interest rate (%): "))
time = float(input("Enter the time period (years): "))
while time < 0:
print("Time cannot be negative.")
time = float(input("Enter the time period (years): "))
total = principal * (1 + rate / 100) ** time
interest = total - principal
print("\n" + "─" * 45)
print(f" Principal : ${principal:>12,.2f}")
print(f" Rate : {rate:>12}%")
print(f" Time : {time:>12} years")
print("─" * 45)
print(f" Interest : ${interest:>12,.2f}")
print(f" Total Amount : ${total:>12,.2f}")
print("─" * 45)