#w3resource.com

import datetime

now = datetime.datetime.now()

print("Current date and time : ")

print(now.strftime("%y-%m-%d"))

from math import pi

r = float(input("Import the radius of the circle : "))

print("The area of circle" + str(r) + "is" + str(pi* r **2))

fname = input("Input first name : ")

lname = input("Input last name : ")

print("Hello "+ fname + " "+lname)

values = input("Input some coma seprated numbers : ")

list = values.split(",")

tuple = tuple(list)

print('List : ',list)

print('Tuple : ',tuple)

filename = input("Input theFile Name : ")

f_extns = filename.split(".")

print("The extention of file is "+repr(f_extns[-1]))

color_list = ["Red","Green","White","Black"]

print("%s %s"%(color_list[0],color_list[-2]))

exam_st_date = (2,3,2000)

print("The examination will start from : %i/%i/%i"%exam_st_date)

a = int(input("Input an integer : "))

n1 = int("%s"%a)

n2 = int("%s%s" % (a,a))

n3 = int("%s%s%s" % (a,a,a))

print("Sum of all : ",n1 + n2 + n3)

print(abs.__doc__)

import calendar

y = int(input("Input the year : "))

m = int(input("Input the months : "))

print(calendar.month(y,m))

print('''I am Ariful Islam. I am from Bangladesh.........I am a student.

I study.......... BSC in Computer Science in IUBT Dhaka.''')

from datetime import date

f_date = date(2020,8,9)

l_date = date(2020,3,25)

delta = f_date - l_date

print(delta.days)

pi = 3.1416

r = 6.0

v = 4.0/3.0 * pi * r ** 3

print("The volume of the sphere is : ",v)

#Math - trapezoid----

base_1 = 5

base_2 = 6

height = float(input("Height of trapezoid : "))

#base_1 = float(input('Base one value: '))

#base_2 = float(input('Base two value: '))

area = ((base_1 + base_2)/2) * height

print(area)