Python-gists/practice_assignment_python_session_1.py at main · msuraj11/Python-gists · GitHub

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# -*- coding: utf-8 -*-
"""Practice_Assignment : Python - Session 1.ipynb

Automatically generated by Colab.

Original file is located at
    https://colab.research.google.com/drive/1xlQ5kaRCZdXoYtXT3Ea1646OAeu9qR-I

## Section 1: Understanding Variables

1. Define a Variable
"""

fullName = "Suraj Pawar Mamidi"
print(fullName)

"""2. Swapping two Variables without using third vaiable."""

a = 5; b = 10
a_type = type(a)
b_type = type(b)
if a_type == int  and b_type == int :
  a = a + b
  b = a - b
  a = a - b
elif a_type == str or b_type == str:
  a, b = b, a
print(f'Swapped items a ={a}, b={b}')

"""## Section 2: Working with Data Types

3. Identify Data Types

"""

x = 25; y = 3.14; z = 'Python'; is_valid = True
print(f'x = {type(x)}, y = {type(y)}, z = {type(z)}, is_valid = {type(is_valid)}')

"""4. Convert Data Types"""

num = 50; string = '123'
print(str(num))
print(float(num))
print(int(string))

"""5. Basic Arithmetic Operations"""

import random

int_1 = random.randint(1, 100)
int_2 = random.randint(100, 200)
print(f'Addition of two integers {int_1} and {int_2} is {int_1 + int_2}')

float_1 = random.uniform(1, 100).__round__(4)
float_2 = random.uniform(100, 200).__round__(4)
print(f'Addition of two floats {float_1} and {float_2} is {float_1 + float_2}')

print(f'Multiplication of an integer {int_1} and a float {float_1} is {(int_1 * float_1).__round__(4)}')
print(f'Division of an integer {int_1} and a float {float_1} is {(int_1 / float_1).__round__(4)}')
print(f'Remainder of dividing 15 by 4 is {15 % 4}')

"""## Section 3 Boolean & Conditional Statements

6. Boolean Expressions
"""

x =  10; y = 20
print(x > y)
print(x < y)
print(x == y)
print(x != y)

"""7. If-Else Statement"""

input_num = ''
while not bool(input_num) or input_num.isalpha():
  input_num = input('Enter a number: ')
  if bool(input_num) and input_num.isalpha():
    print('Invalid input. Please enter a valid number.')
input_num = int(input_num)
if input_num % 2 == 0:
  print(f'{input_num} is an even number')
else:
  print(f'{input_num} is an odd number')

"""8. User Input and Data Processing"""

entered_age = ''

def valid_input(input_value):
  return bool(input_value) and input_value.isnumeric()

while not valid_input(entered_age):
  entered_age = input('Enter your age: ')
  if not valid_input(entered_age):
    print('Invalid input. Please enter a valid age.')
entered_age = int(entered_age)
if entered_age >= 18:
  print('You are eligible to vote.')
else:
  print('You must be 18+ to be eligible to vote.')

"""9. Simple Calci"""

def perform_calculation(first_input, second_input, operation):
  match operation:
    case '+':
      return first_input + second_input
    case '-':
      return first_input - second_input
    case '*':
      return first_input * second_input
    case '/':
      if second_input == 0:
          return "Error: Division by zero!"
      return first_input / second_input

def give_operation(input_operation):
  parsed_input = input_operation.strip().lower()
  match parsed_input:
    case '+' | 'add':
      return '+'
    case '-' | 'sub' | 'subtract':
      return '-'
    case '*' | 'x' | 'mul' | 'multiply':
      return '*'
    case '/' | '÷' | 'div' | 'divide':
      return '/'
    case _:
      return None

def input_loop(input_type):
  while True:
    user_input = input(f'Enter {input_type}: ')
    if input_type == 'operator':
      operation_symbol = give_operation(user_input)
      if operation_symbol:
        return operation_symbol
      else:
        print('Invalid operation. Please enter a valid operator.')
    elif input_type in ('first_input', 'second_input'):
      if valid_input(user_input):
        return int(user_input)
      else:
        print('Invalid input. Please enter a valid number.')
    else:
      print(f'Error: Unknown input type requested: {input_type}')

calci_dic = dict(first_input = '', second_input = '', operator = '')

for key in calci_dic:
  calci_dic[key] = input_loop(key)
  if key == 'operator':
    break

result = perform_calculation(calci_dic['first_input'], calci_dic['second_input'], calci_dic['operator'])

print(f'Result of {calci_dic["first_input"]} {calci_dic["operator"]} {calci_dic["second_input"]} is {result}')