Python+Tutorials.md

# Printing 
print("Hello World!")
print "Hello Again"
print("I like typing this.")
print "This is fun."
print 'Yay! Printing.'
print "I'd much rather you 'not'."
print 'I "said" do not touch this.'

  File "<ipython-input-12-3577acc6aaf8>", line 3
    print "Hello Again"
                      ^
SyntaxError: Missing parentheses in call to 'print'

# Comments in python
# Comment  -> 
# This is a comment
print("This is not a comment")
'''
multiple comment
print("Bucky" + "Roberts")
'''

# Basic Operators - Knowledge box
    + plus
    - minus
    / slash
    * asterisk
    % percent
    < less-than
    > greater-than
    <= less-than-equal
    >= greater-than-equal

print "I will now count my chickens:"

print "Hens", 25 + 30 / 6
print "Roosters", 100 - 25 * 3 % 4

print "Now I will count the eggs:"

print 3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6

print "Is it true that 3 + 2 < 5 - 7?"

print 3 + 2 < 5 - 7

print "What is 3 + 2?", 3 + 2
print "What is 5 - 7?", 5 - 7

print "Oh, that's why it's False."

print "How about some more."

print "Is it greater?", 5 > -2
print "Is it greater or equal?", 5 >= -2
print "Is it less or equal?", 5 <= -2

# Variables
a = 10
print(a)
b = "Computer Club"
print(b)
num = 3.244
print(num)

# Basic Commands - Execute on python terminal
print("hey now brown cow")

firstName = "Mohit "
firstName + "Khare"
firstName * 5

# Accessing Characters via index
# >>> denotes python command line
>>> user = "Tuna McFish"
>>> user[0]
'T'
>>> user[5]
'M'
>>> user[-1]
'h'
>>> user[-3]
'i'
>>> user[2:7]
'na Mc'
>>> user[:7]
'Tuna Mc'
>>> user[2:]
'na McFish'
>>> user[:]
'Tuna McFish'
>>> print('dsadasd')
dsadasd
>>> len('dfjhf22893hfsdfjkasdf')
21
>>> len(user)
11

# List in python
# list --> []
>>> players = [29, 58, 66, 71, 87]
>>> players[2]
66
>>> players[2] = 68
>>> players
[29, 58, 68, 71, 87]
>>> players + [90, 91, 98]
[29, 58, 68, 71, 87, 90, 91, 98]
>>> players
[29, 58, 68, 71, 87]
>>> players.append(120)
>>> players
[29, 58, 68, 71, 87, 120]
>>> players[:2]
[29, 58]
>>> players[:2] = [0, 0]
>>> players
[0, 0, 68, 71, 87, 120]
>>> players[:2] = []
>>> players
[68, 71, 87, 120]
>>> players[:] = []
>>> players
[]

# If-Else conditions
# Note the syntax
# if condition :
#      statements
# else:
#      statements

age = 13

if age < 21:
    print("No beer for you!")

#name = "Lucy"
name = "Tommy D"
if name is "Bucky":
    print("Hey there Bucky")
elif name is "Lucy":
    print("What up Lucedawg")
elif name is "Sammy":
    print("What up Slammy")
else:
    print("Please sign up for the site!")
    
# Try for different ages , age = 27

# Iterations in python
# food list and inside some items
foods = ['bacon', 'tuna', 'ham', 'snausages', 'beef']

for f in foods[:2]:
    print(f)
    print(len(f))

# For , while loops
#from 0 to 10
for x in range(10):
    print(x)

print("")

#from 5 to 12
for x in range(5, 12):
    print(x)

print("")

#from 10 to 40 increment value 5
for x in range(10, 40, 5):
    print(x)

print("")

#While loop

buttcrack = 5

while(buttcrack < 10):
    print(buttcrack)
    buttcrack += 1

magicNumber = 26

# ok this program find a magic number

for n in range(101):
    if n is magicNumber:
        print(n, "is the magic number ! ")
        break
    else:
        print(n)

#Challenge
#Find the numbers whıch can dive 4 and 4 multiple(tetragenous) in from 0 to 100
for n in range(101):
    if(n % 4 is 0):
        print(n)

numbersTaken = [2, 5, 12, 13, 17]

print("Here are the numbers that are still available")

for n in range(1,20):
    if n in numbersTaken:
        continue
    print(n)

def beef():
    print("Dayum, functions are cool")


def bitcoin_to_usd(btc):
    amount = btc * 527
    print(amount)

beef()
bitcoin_to_usd(3.85)
bitcoin_to_usd(1)
bitcoin_to_usd(13)

def allowed_dating_age(my_age):
    girls_age = (my_age/2)+7
    return girls_age

my_limit = allowed_dating_age(22)
creppy_limit = allowed_dating_age(49)
print("I can date girls", my_limit,"or older")
print("Creepy can date girls", creppy_limit,"or older")

def get_gender(sex = 'Unknown'):
    if sex is 'm':
        sex = 'Male'
    elif sex is 'f':
        sex = 'Female'
    print(sex)

get_gender('m')
get_gender('f')
get_gender()

a = 7823

def corn():
  print(a)


def fudge():
  print(a)

corn()
fudge()

def dumb_sentence(name='Mohit', action='ate', item='pizza'):
  print(name, action, item)

dumb_sentence()
dumb_sentence("CC", "teaches", "coding")
dumb_sentence(item='burger')
dume_sentence(item='football', action='loves')

def add_numbers(*args):
  total = 0
  for a in args:
    total += a
  print(total)

add_numbers(3)
add_numbers(3, 32)
add_numbers(3, 43, 5453, 354234, 463463)

def health_calculator(age, apples_ate, cigs_smoked):
  answer = (100-age) + (apples_ate*3.5) - (cigs_smoked*2)
  print(answer)

data = [27, 20, 0]

health_calculator(data[0], data[1], data[2])
health_calculator(*data)

groceries = {'cereal', 'milk', 'starcrunch', 'beer', 'duck tape', 'lotion', 'beer'}
print(groceries)

if 'milk' in groceries:
  print("You already have milk hoss!")
else:
  print("Oh yea, you need milk!")

classmates = {'Tony': ' cool but smells', 'Emma': ' sits behind me', 'Lucy': ' asks too many questions'}

for k, v in classmates.items():
    print(k + v)

import tuna_21
import random

tuna_21.fish()

x = random.randrange(1, 1000)
print(x)

import random
import urllib.request

def download_web_image(url):
    name = random.randrange(1, 1000)
    full_name = str(name) + ".jpg"
    urllib.request.urlretrieve(url, full_name)

download_web_image("https://www.thenewboston.com/images/homepage_images/main_homepage_01.png")

# Writing and Reading Files
fw = open('sample.txt', 'w')
fw.write('Writing some stuff in my text file\n')
fw.write('I like bacon\n')
fw.close()

fr = open('sample.txt', 'r')
text = fr.read()
print(text)
fr.close()

from urllib import request

goog_url = http://real-chart.finance.yahoo.com/table.csv?s=GOOG&d=2&e=8&f=2015&g=d&a=2&b=27&c=2014&ignore=.csv

def download_stock_data(csv_url):
    response = request.urlopen(csv_url)
    csv = response.read()
    csv_str = str(csv)
    lines = csv_str.split("\\n")
    dest_url = r'goog.csv'
    fx = open(dest_url, "w")
    for line in lines:
        fx.write(line + "\n")
    fx.close()

download_stock_data(goog_url)

while True:
    try:
        number = int(input("What's your fav number hoss?\n"))
        print(18/number)
        break
    except ValueError:
        print("Make sure and enter a number")
    except ZeroDivisionError:
        print("Don't pick zero")
    except:
        break
    finally:
        print("loop complete")

class Enemy:
    life = 3
    
    def attack(self):
        print("ouch!")
        self.life -=1
    
    def checkLife(self):
        if self.life <= 0:
            print("I am dead")
        else:
            print(str(self.life) + " life left")

enemy1 = Enemy()
enemy2 = Enemy()

enemy1.attack()
enemy1.attack()
enemy1.checkLife()
enemy2.checkLife()

class Enemy:
    def __init__(self, x):
        self.energy = x
    
    def get_energy(self):
        print(self.energy)

jason = Enemy(5)
sandy = Enemy(18)

jason.get_energy()
sandy.get_energy()

class Girl:
    
    gender = 'female'
    
    def __init__(self, name):
        self.name = name

r = Girl('Rachel')
s = Girl('Stanky')
print(r.gender)
print(s.gender)
print(r.name)
print(s.name)

class Parent:
    
    def print_last_name(self):
        print('Roberts')
    

class Child(Parent):
    
    def print_first_name(self):
        print('Bucky')
    
    def print_last_name(self):
        print('Snitzleberg')

bucky = Child()
bucky.print_first_name()
bucky.print_last_name()

class Mario():
    
    def move(self):
        print('I am moving!')


class Shroom():
    
    def eat_shroom(self):
        print('Now I am big!')


class BigMario(Mario, Shroom):
    pass

bm = BigMario()
bm.move()
bm.eat_shroom()

def drop_first_last(grades):
    first, *middle, last = grades
    avg = sum(middle) / len(middle)
    print(avg)

drop_first_last([65, 76, 98, 54, 21])
drop_first_last([65, 76, 98, 54, 21, 54, 65, 99, 88, 78])

first = ['Mohit', 'Abhey', 'Akshay']
last = ['Khare', 'Rana', 'Sharma']

names = zip(first, last)

for a, b in names:
    print(a, b)

answer = lambda x: x*7
print(answer(5))