{}
# Online Python compiler (interpreter) to run Python online.
# Write Python 3 code in this online editor and run it.
from math import sqrt
from collections import Counter
# -------------------------------
# Level 2: Statistics Class
# -------------------------------
class Statistics:
def __init__(self, data):
self.data = sorted(data)
def count(self):
return len(self.data)
def sum(self):
return sum(self.data)
def min(self):
return min(self.data)
def max(self):
return max(self.data)
def range(self):
return self.max() - self.min()
def mean(self):
return round(self.sum() / self.count())
def median(self):
n = self.count()
mid = n // 2
if n % 2 == 0:
return (self.data[mid - 1] + self.data[mid]) / 2
else:
return self.data[mid]
def mode(self):
freq = Counter(self.data)
max_count = max(freq.values())
mode = [k for k, v in freq.items() if v == max_count]
return (mode[0], max_count) if len(mode) == 1 else (mode, max_count)
def var(self):
mean = self.mean()
return round(sum((x - mean) ** 2 for x in self.data) / self.count(), 1)
def std(self):
return round(sqrt(self.var()), 1)
def freq_dist(self):
freq = Counter(self.data)
total = self.count()
return sorted([(round((v / total) * 100, 1), k) for k, v in freq.items()], reverse=True)
def describe(self):
print('Count:', self.count())
print('Sum: ', self.sum())
print('Min: ', self.min())
print('Max: ', self.max())
print('Range: ', self.range())
print('Mean: ', self.mean())
print('Median: ', self.median())
print('Mode: ', self.mode())
print('Variance: ', self.var())
print('Standard Deviation: ', self.std())
print('Frequency Distribution:', self.freq_dist())
# -------------------------------
# Level 3: PersonAccount Class
# -------------------------------
class PersonAccount:
def __init__(self, firstname, lastname):
self.firstname = firstname
self.lastname = lastname
self.incomes = {} # {description: amount}
self.expenses = {} # {description: amount}
def add_income(self, description, amount):
self.incomes[description] = self.incomes.get(description, 0) + amount
def add_expense(self, description, amount):
self.expenses[description] = self.expenses.get(description, 0) + amount
def total_income(self):
return sum(self.incomes.values())
def total_expense(self):
return sum(self.expenses.values())
def account_balance(self):
return self.total_income() - self.total_expense()
def account_info(self):
info = f'''
Name: {self.firstname} {self.lastname}
Total Income: {self.total_income()}
Total Expenses: {self.total_expense()}
Account Balance: {self.account_balance()}
Income Details: {self.incomes}
Expense Details: {self.expenses}
'''
return info.strip()
# -------------------------------
# Example Usage
# -------------------------------
# Statistics Example
print("📊 Statistics Output:")
ages = [31, 26, 34, 37, 27, 26, 32, 32, 26, 27,
27, 24, 32, 33, 27, 25, 26, 38, 37, 31,
34, 24, 33, 29, 26]
data = Statistics(ages)
data.describe()
print("\n💰 Person Account Output:")
# Person Account Example
person = PersonAccount("Nidhi", "Agarwal")
person.add_income("Salary", 5000)
person.add_income("Freelance", 1200)
person.add_expense("Rent", 1500)
person.add_expense("Food", 600)
print(person.account_info())