python lab-3 implementation ........................

 # Initializing three numbers

num1, num2, num3 = 10, 20, 30

# Calculating sum and average

sum_numbers = num1 + num2 + num3

average = sum_numbers / 3

# Displaying the result

print(f'Sum: {sum_numbers}, Average: {average}')

print ('argument list', sys.argv)

first = int(sys.argv[1])

second = int(sys.argv[2])

print ("sum = {}".format(first+second))

C:\ramu>python hello.py 10 20

argument list ['hello.py', '10', '20']

sum = 30

def get_employee_data():
"""Reads employee data from the keyboard."""
employee_id = input("Enter Employee ID: ")
employee_name = input("Enter Employee Name: ")
employee_salary = input("Enter Employee Salary: ")
employee_department = input("Enter Employee Department: ")

employee_info = {
"ID": employee_id,
"Name": employee_name,
"Salary": employee_salary,
"Department": employee_department
}
return employee_info

def print_employee_data(employee_data):
"""Prints the provided employee data."""
print("\n--- Employee Details ---")
for key, value in employee_data.items():
print(f"{key}: {value}")

if __name__ == "__main__":
employee_details = get_employee_data()
print_employee_data(employee_details)

import math

# Get the radius from the user
try:
radius = float(input("Enter the radius of the circle: "))
except ValueError:
print("Invalid input. Please enter a numerical value for the radius.")
exit()

# Check if the radius is non-negative
if radius < 0:
print("Radius cannot be negative. Please enter a positive value.")
else:
# Calculate the area
area = math.pi * (radius ** 2)

# Display the result
print(f"The area of the circle with radius {radius} is: {area}")