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Add sample python scripts
1 parent 008967f commit b99a89c

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‎binarytree.py‎

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class Node:
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def __init__(self,data):
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self.left = None
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self.right = None
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self.key = data
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def insert(root,node):
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if root is None:
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root = node
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else:
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if node.key < root.key:
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if root.right is None:
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root.right = node
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else:
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insert(root.right,node)
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else:
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if root.left is None:
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root.left = node
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else:
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insert(root.left,node)
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def inorder(root):
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if root:
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inorder(root.left)
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print(root.key)
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inorder(root.right)
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r = Node(50)
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insert(r,Node(30))
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insert(r,Node(20))
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insert(r,Node(70))
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inorder(r)
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'''
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# Python program to demonstrate insert operation in binary search tree
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# A utility class that represents an individual node in a BST
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class Node:
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def __init__(self,key):
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self.left = None
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self.right = None
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self.val = key
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# A utility function to insert a new node with the given key
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def insert(root,node):
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if root is None:
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root = node
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else:
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if root.val < node.val:
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if root.right is None:
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root.right = node
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else:
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insert(root.right, node)
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else:
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if root.left is None:
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root.left = node
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else:
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insert(root.left, node)
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# A utility function to do inorder tree traversal
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def inorder(root):
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if root:
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inorder(root.left)
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print(root.val)
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inorder(root.right)
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# Driver program to test the above functions
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# Let us create the following BST
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# 50
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# / \
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# 30 70
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# / \ / \
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# 20 40 60 80
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r = Node(50)
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insert(r,Node(30))
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insert(r,Node(20))
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insert(r,Node(40))
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insert(r,Node(70))
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# Print inoder traversal of the BST
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inorder(r)
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'''
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‎camera.py‎

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from kivy.app import App
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from kivy.lang import Builder
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kv = '''
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BoxLayout:
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orientation:'vertical'
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Camera:
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id:camera
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resolution: (640, 480)
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play:False
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ToggleButton:
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text:'Play'
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on_press:camera.play = not camera.play
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size_hint_y:None
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height:'48dp'
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'''
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class TestCamera(App):
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def build(self):
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return Builder.load_string(kv)
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TestCamera().run()

‎client.py‎

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import socket # Import socket module
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s = socket.socket() # Create a socket object
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host = socket.gethostname() # Get local machine name
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port = 3000 # Reserve a port for your service.
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s.connect((host, port))
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print s.recv(1024)
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s.close

‎data-model.py‎

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class Polynomial:
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def __init__(self,*coeffs):
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self.coeffs = coeffs
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def __repr__(self):
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return 'Polynomial(*{!r})'.format(self.coeffs)
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def __add__(self,other):
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return Polynomial(*(x+y for x,y in zip(self.coeffs,other.coeffs)))
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def __len__(self):
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return len(self.coeffs)
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a = Polynomial(1,2,3)
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b = Polynomial(3,4,5)
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print(a)
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print(b)
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print(a+b)

‎fibonacci_series.py‎

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num = int(input())
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def fibo(n):
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a,b = 0,1
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for i in range(n):
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yield a
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a,b = b,a+b
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for i in fibo(num):
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print(i)

‎functional_tests.py‎

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from selenium import webdriver
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browser = webdriver.Firefox()
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browser.get('http://localhost:8000')
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assert 'Django' in browser.title

‎game.py‎

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import pygame
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pygame.init()
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size = (700,600)
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screen = pygame.display.set_mode(size)
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done = False
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clock = pygame.time.Clock()
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while not done:
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#--main event loop
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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done = True
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screen.fill((255,255,255))
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pygame.display.flip()
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clock.tick(1060)
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‎grid.py‎

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num = 5
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#print("+", "-"*4, "+", "-"*4, "+")
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def bottomLine(num):
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print("|",end=" ")
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print(" "*num,end=" ")
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print("|",end=" ")
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print(" "*num,end=" ")
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print("|")
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def horizontalLine(num):
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print("+",end=" ")
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print("-"*num,end=" ")
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print("+",end=" ")
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print("-"*num,end=" ")
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print("+")
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horizontalLine(num+1)
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for i in range(num+1):
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bottomLine(num+1)
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horizontalLine(num+1)
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for i in range(num+1):
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bottomLine(num+1)
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horizontalLine(num+1)
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‎gui.py‎

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import sys
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from PyQt4 import QtGui
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def window():
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app = QtGui.QApplication(sys.argv)
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w = QtGui.QWidget()
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b = QtGui.QLabel(w)

‎hackerearth.py‎

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#! -*- coding: utf-8 -*-
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import requests
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# constants
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RUN_URL = u'http://api.hackerearth.com/code/run/'
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CLIENT_SECRET = '81b00a5cbbabde29b268730f9a7cefac8ca4174a'
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source = open('test.py', 'r')
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"""
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test.py
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#! -*- coding: utf-8 -*-
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def square(no):
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return no * no
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print(square(-23))
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"""
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data = {
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'client_secret': CLIENT_SECRET,
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'async': 0,
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'source': source.read(),
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'lang': "PYTHON",
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'time_limit': 5,
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'memory_limit': 262144,
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}
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r = requests.post(RUN_URL, data=data)
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source.close()
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print r.json()

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