- s1.replace(" ", "").lower():

- s2.replace(" ", "").lower(): 

- sorted(s1) == sorted(s2): 

- string1 = "Listen" و string2 = "Silent": 

- print(are_anagrams(string1, string2)):

  Summary of Transactions:
    Category     Type  Amount        Date
  0     Food  Expense   50.00  2025-03-19
  1   Salary   Income  2000.00  2025-03-19
  

import pandas as pd
import matplotlib.pyplot as plt

# تعریف DataFrame برای ذخیره اطلاعات مالی
data = {
    'Category': [],
    'Type': [],  # Income or Expense
    'Amount': [],
    'Date': []
}
df = pd.DataFrame(data)

def add_transaction(category, t_type, amount, date):
    global df
    new_transaction = {'Category': category, 'Type': t_type, 'Amount': amount, 'Date': date}
    df = pd.concat([df, pd.DataFrame([new_transaction])], ignore_index=True)
    print("Transaction added successfully!")

def view_summary():
    if df.empty:
        print("No transactions recorded.")
        return
    print("\nSummary of Transactions:")
    print(df)

def generate_report():
    if df.empty:
        print("No transactions recorded to generate a report.")
        return
    
    # گروه‌بندی داده‌ها بر اساس نوع (درآمد و هزینه)
    summary = df.groupby('Type')['Amount'].sum()
    
    # رسم نمودار دایره‌ای
    plt.figure(figsize=(6, 6))
    summary.plot(kind='pie', autopct='%1.1f%%', startangle=90, labels=summary.index, colors=['#8BC34A', '#F44336'])
    plt.title('Income vs Expense')
    plt.ylabel('')
    plt.show()

# منوی اصلی
while True:
    print("\nPersonal Finance Manager")
    print("1. Add Transaction")
    print("2. View Transactions")
    print("3. Generate Report")
    print("4. Exit")
    choice = input("Choose an option: ")

    if choice == "1":
        category = input("Enter category (e.g., Food, Salary, Rent): ")
        t_type = input("Enter type (Income/Expense): ")
        amount = float(input("Enter amount: "))
        date = input("Enter date (YYYY-MM-DD): ")
        add_transaction(category, t_type, amount, date)

    elif choice == "2":
        view_summary()

    elif choice == "3":
        generate_report()

    elif choice == "4":
        print("Exiting program. Have a great day!")
        break

    else:
        print("Invalid choice. Please try again.")