examples/python_stdin.py

# Python Example: Input and Output
name = input("What is your name? ")
age = int(input("How old are you? "))

print(f"Hello {name}!")
print(f"You will be {age + 1} next year!")

# Calculate factorial
def factorial(n):
    if n <= 1:
        return 1
    return n * factorial(n - 1)

print(f"Factorial of {age} is {factorial(age)}")