Practice.py

# def person(name, age):
#     print(name, age)

# person("Harini", 15)


# def func1(*args):
#     for i in args:
#         print(i)

# func1(20, 40, 60)
# func1(80, 100)

# def calculation(a, b):
#     return a + b, a - b

# res = calculation(40, 10)
# print(res)


# def show_employee(name, salary = 9000):
#     print("Name:", name, "salary:", salary)

# show_employee("Ben", 12000)
# show_employee("Jessa")


# def factorial(x):
#     if x == 0:
#         return 1
#     else:

#         return x * factorial(x - 1)

# x = int(input("Enter a number: "))

# print(factorial(x))


# def prime(n):
#     if (n == 1):
#         return False
#     elif (n == 2):
#         return True
#     else:
#         for x in range(2, n):
#             if (n % x == 0):
#                 return False
#         return True

# print(prime(int(input("Enter a number: "))))


# def reverse_str(x):
#   return x[::-1]

# y = reverse_str(str(input("Enter what you want to be reversed: ")))

# print(y)


# def sum(x): 
#     y = 0
#     for num in str(x):  
#       y += int(num)       
#     return y
   
# x = 123

# print(sum(x))


# def duplicate(x):
#   return list(dict.fromkeys(x))

# list = duplicate(["a", "b", "c", "a", "d", "c"])

# print(list)

# def fibonacci_sequence(n):
#   fib_sequence = [0, 1]
#   while len(fib_sequence) < n:
#     fib_sequence.append(fib_sequence[-1] + fib_sequence[-2])
#   return fib_sequence

# terms = 8
# result = fibonacci_sequence(terms)
# print(f"The Fibonacci sequence up to {terms} terms is: {result}")


# def vowel_count(str):
     
#     count = 0
#     count2 = 0
     
#     vowel = set("aeiouAEIOU")
     
#     for letter in str:
     
#         if letter in vowel:
#             count += 1
#         else:
#             count2 += 1
            
     
#     print("Number of vowels:", count)
#     print("Number of consonants:", count2)

# x = "Hello World"

# vowel_count(x)


# def person(name, age):
#     print(name, age)

# person("Harini", 15)


# def func1(*args):
#     for i in args:
#         print(i)

# func1(20, 40, 60)
# func1(80, 100)


# def calculation(a, b):
#     addition = a + b
#     subtraction = a - b

#     return addition, subtraction

# res = calculation(40, 10)
# print(res)

# def show_employee(name, salary=9000):
#     print("Name:", name, "salary:", salary)

# show_employee("Harini", 12000)
# show_employee("Baskar")


# def outer_function(a, b):
#     def sum(a, b):
#         return a + b
#     add = sum(a, b)
#     return add + 5

# result = outer_function(5, 10)
# print(result)

# def sum(num):
#     if num:
#         return num + sum(num - 1)
#     else:
#         return 0

# result = sum(10)
# print(result)


# def display_student(name, age):
#     print(name, age)

# display_student("Emma", 26)

# show_student = display_student

# show_student("Emma", 26)

# def even(x, y):
#     print(list(range(x, y, 2)))

# even(4, 30)


# def largest(item):
#     print(item)
    
# item = [4, 6, 8, 24, 12, 2]
# largest(max(item))


# def divide(x, y):
#     try:
#         result = x / y
#         print(result)
#     except ZeroDivisionError:
#         print("You can't divide by zero")

# num = 100
# den = 0

# divide(num, den)



    
def int_input(prompt):
    try:
        value = int(input(prompt))

        return value
    except ValueError:
        print("Invalid input, input a valid integer.")

n = int_input("Enter an integer: ")

print(n)


def file(filename):
    try:
        files = open(filename, 'r')
        x = file.read()
        print(x)
        files.close()

    except FileNotFoundError:
        print("Error: Can't find file name")

file_name = input("Input a file name: ")
file(file_name) 



def num(prompt):
    while True:
        try:
            value = float(input(prompt))
            return value
        except ValueError:
            print("Invalid input. Please Input a valid number.")

n1 = num("Enter the first number: ")
n2 = num("Enter the second number: ")

result = n1 * n2

print(result)