Program to print double sided stair-case pattern

def pattern(n):

for i in range(1,n+1):

k =i + 1 if(i % 2 != 0) else i

for g in range(k,n):

if g>=k:

print(end=" ")

for j in range(0,k):

if j == k - 1:

print(" * ")

else:

print(" * ", end = " ")

n = 10

pattern(n)

Possible Words using given characters

def charCount(word):

dict = {}

for i in word:

dict[i] = dict.get(i, 0) + 1

return dict

def possible_words(lwords, charSet):

for word in lwords:

flag = 1

chars = charCount(word)

for key in chars:

if key not in charSet:

flag = 0

else:

if charSet.count(key) != chars[key]:

flag = 0

if flag == 1:

print(word)

if __name__ == "__main__":

input = ['goo', 'bat', 'me', 'eat', 'goal', 'boy', 'run']

charSet = ['e', 'o', 'b', 'a', 'm', 'g', 'l']

possible_words(input, charSet)

program to check the validity of a Password

import re

password = "D@m@_u0rtu9e$"

flag = 0

while True:

if (len(password)<8):

flag = -1

break

elif not re.search("[a-z]", password):

flag = -1

break

elif not re.search("[A-Z]", password):

flag = -1

break

elif not re.search("[0-9]", password):

flag = -1

break

elif not re.search("[_@$]", password):

flag = -1

break

elif re.search("\s", password):

flag = -1

break

else:

flag = 0

print("Valid Password")

break

if flag ==-1:

print("Not a Valid Password")

Spinner Game

from turtle import *

state = {'turn': 0}

def spinner():

    clear()

    angle = state['turn']/10

    right(angle)

    forward(100)

    dot(120, 'red')

    back(100)

    right(120)

    forward(100)

    dot(120, 'green')

    back(100)

    right(120)

    forward(100)

    dot(120, 'blue')

    back(100)

    right(120)

    update()

def animate():

    if state['turn']>0:

        state['turn']-=1

    spinner()

    ontimer(animate, 20)

def flick():

    state['turn']+=10

setup(420, 420, 370, 0)

hideturtle()

tracer(False)

width(20)

onkey(flick, 'space')

listen()

animate()

done()

Python Calendar GUI

from tkinter import *

import calendar

def showCalender():

    gui = Tk()

    gui.config(background='grey')

    gui.title("Calender for the year")

    gui.geometry("550x600")

    year = int(year_field.get())

    gui_content= calendar.calendar(year)

    calYear = Label(gui, text= gui_content, font= "Consolas 10 bold")

    calYear.grid(row=5, column=1,padx=20)

    gui.mainloop()

if __name__=='__main__':

    new = Tk()

    new.config(background='grey')

    new.title("Calender")

    new.geometry("250x140")

    cal = Label(new, text="Calender",bg='grey',font=("times", 28, "bold"))

    year = Label(new, text="Enter year", bg='dark grey')

    year_field=Entry(new)

    button = Button(new, text='Show Calender',

fg='Black',bg='Blue',command=showCalender)

    cal.grid(row=1, column=1)

    year.grid(row=2, column=1)

    year_field.grid(row=3, column=1)

    button.grid(row=4, column=1)

    new.mainloop()