# Write a Python program to display the current date and time.

# Sample Output :

# Current date and time :

# 2014-07-05 14:34:14

import datetime

now =datetime.datetime.now()

print(now)

new_now = now.strftime("%Y-%d-%m %H:%M:%S")

print(new_now)

##################

#Write a Python program to get the Python version you are using.

##################

# Write a Python program which accepts a sequence of comma-separated numbers from user and generate a list and a tuple with those numbers. Go to the editor

# Sample data : 3, 5, 7, 23

# Output :

# List : ['3', ' 5', ' 7', ' 23']

# Tuple : ('3', ' 5', ' 7', ' 23')

# Click me to see the sample solution

inpu = input("enter input: ")

nlist = inpu.split(",")

print (list(nlist))

print (tuple(nlist))

#######

#Write a Python program to accept a filename from the user and print the extension of that.

# Sample filename : abc.java

# Output : java

file_name = input("Enter file name")

ext = file_name.split(".")

print (ext[-1])

##############

# Write a Python program to display the examination schedule. (extract the date from exam_st_date). Go to the editor

# exam_st_date = (11, 12, 2014)

# Sample Output : The examination will start from : 11 / 12 / 2014

exam_st_date = (11, 12, 2014)

new_exam = str(exam_st_date)

temp_date = new_exam.replace(",", " /")

new_date = temp_date.replace("(", "")

new_date = new_date.replace(")", "")

print(new_date)

#Another_Solution

exam_st_date = (11,12,2014)

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

####################

# Write a Python program that accepts an integer (n) and computes the value of n+nn+nnn.

# Sample value of n is 5

# Expected Result : 615

n = int(input("Enter number: "))

n1 = int("%s" % n)

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

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

print(n1+n2+n3)

####################

# 11. Write a Python program to print the documents (syntax, description etc.) of Python built-in function(s).

# Sample function : abs()

# Expected Result :

# Return the absolute value of the argument.

print(abs.__doc__)

#########

#Write a Python program to print the calendar of a given month and year.

# Note : Use 'calendar' module.

import calendar

print(calendar.month(2021,6))

#Write a Python program to calculate number of days between two dates.

# Sample dates : (2014, 7, 2), (2014, 7, 11)

# Expected output : 9 days

# Click me to see the sample solution

from datetime import date

f_date = date(2014, 7, 2)

l_date = date(2014, 7, 11)

delta = l_date - f_date

print(delta.days)

#########

# Write a Python program to calculate the sum of three given numbers, if the values are equal then return three times of their sum.

def check_sum(n,m,o):

sum = n + m + o

if n ==m == o:

print ((sum)*3)

else:

print (sum)

check_sum(2,3,4)

check_sum(4,4,4)

#####

# Write a Python program to get a new string from a given string where "Is" has been added to the front. If the given string already begins with "Is" then return the string unchanged. Go to the editor

# Click me to see the sample solution

inp = input("String is: ")

if inp[:2] =="ls":

print(inp)

else:

print("ls" + inp)

#####

# Write a Python program to get a string which is n (non-negative integer) copies of a given string.

inp = int(input("No of copies: "))

str = "This"

print(str*inp)

##################

#How to check if String is empty in Python

# To check if the string is empty or not, use a not operator.

empty_string = ""

print("Check if the string is empty : ", end="")

if(not empty_string):

print("The string is empty")

else:

print("No it is not empty")

##############

#Write a Python program to concatenate all elements in a list into a string and return it. Go to the editor

con = ""

list = ["This", "is", "Anika"]

for item in list:

con = con + str(item)

print(con)

##############

# Write a Python program to print all even numbers from a given numbers list in the same order and stop the printing if any numbers that come after 237 in the sequence. Go to the editor

# Sample numbers list :

# numbers = [

# 386, 462, 47, 418, 907, 344, 236, 375, 823, 566, 597, 978, 328, 615, 953, 345,

# 399, 162, 758, 219, 918, 237, 412, 566, 826, 248, 866, 950, 626, 949, 687, 217,

# 815, 67, 104, 58, 512, 24, 892, 894, 767, 553, 81, 379, 843, 831, 445, 742, 717,

# 958,743, 527

# ]

numbers = [

386, 462, 47, 418, 907, 344, 236, 375, 823, 566, 597, 978, 328, 615, 953, 345,

399, 162, 758, 219, 918, 237, 412, 566, 826, 248, 866, 950, 626, 949, 687, 217,

815, 67, 104, 58, 512, 24, 892, 894, 767, 553, 81, 379, 843, 831, 445, 742, 717,

958,743, 527

]

for i in numbers:

if i == 237:

break

elif i % 2 ==0:

print(i)

########

# Write a Python program to print out a set containing all the colors from color_list_1 which are not present in color_list_2. Go to the editor

# Test Data :

# color_list_1 = set(["White", "Black", "Red"])

# color_list_2 = set(["Red", "Green"])

# Expected Output :

# {'Black', 'White'}

color_list_1 = set(["White", "Black", "Red"])

color_list_2 = set(["Red", "Green"])

new_list = color_list_1 - color_list_2

print(new_list)

#######

# Write a Python program to print out a list containing all the colors from color_list_1 which are not present in color_list_2. Go to the editor

# Test Data :

# color_list_1 = set(["White", "Black", "Red"])

# color_list_2 = set(["Red", "Green"])

# Expected Output :

# {'Black', 'White'}

color_list_1 = ["White", "Black", "Red"]

color_list_2 = ["Red", "Green"]

newlist = []

for list1 in color_list_1:

found = False

for list2 in color_list_2:

#print("Inside for", list2)

if list1 == list2:

found = True

# print(found, list1, list2)

if found == False:

#print("Appending to", list1)

newlist.append(list1)

print(newlist)

#######################

#Ask Gaurav

# Write a Python program to compute the greatest common divisor (GCD) of two positive integers

n1 = 336

n2 = 360

for i in range(n2,0, -1):

if (n2%i == 0) and (n1%i == 0 ):

print(i)

break

#####################

# Write a Python program to get the least common multiple (LCM) of two positive integers.

def findLCM(n1, n2):

if n1 > n2:

n = n1

else:

n = n2

while True:

if (n % n1 == 0) and (n %n2 == 0):

print ("LCM is", n)

break

n = n+1

findLCM(4, 6)

findLCM(15, 17)

##############

#Important

# 36. Write a Python program to add two objects if both objects are an integer type.

def add_numbers(a, b):

if not (isinstance(a, int) and isinstance(b, int)):

return "Inputs must be integers!"

return a + b

print(add_numbers(10,20))

print(add_numbers("10",20))

####################

# 40. Write a Python program to compute the distance between the points (x1, y1) and (x2, y2). Go to the editor

# Click me to see the sample solution

import math

p1 = [4, 0]

p2 = [6, 6]

distance = math.sqrt( ((p1[0]-p2[0])**2)+((p1[1]-p2[1])**2) )

print(distance)

# 41. Write a Python program to check whether a file exists.

import os.path

print(os.path.isfile('main.txt'))

print(os.path.isfile('main.py'))

#Important

# 42. Write a Python program to determine if a Python shell is executing in 32bit or 64bit mode on OS.

import platform, struct

print(platform.architecture()[0])

print(struct.calcsize("P") * 8)

#Important

# 43. Write a Python program to get OS name, platform and release information.

import platform

import os

print("Name of the operating system:",os.name)

print("\nName of the OS system:",platform.system())

print("\nVersion of the operating system:",platform.release())

# 44. Write a Python program to locate Python site-packages.

import site;

print(site.getsitepackages())