Python Basic Syntax

print("Hello World")
print('Hello World')
print(""" Hello World """)
print(4+5)

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print("Hello World")

print('Hello World')

print(""" Hello World """)

print(4+5)

#This is a comment

1	#This is a comment

name = 'Indocoder'
print(name)

length = 5
area = length * length
print(area)

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name = 'Indocoder'

print(name)

length = 5

area = length * length

print(area)

x = x+10 -> x+=10
x = x*10 -> x*=10

1 2	x = x+10 -> x+=10 x = x10 -> x=10

print('My name is'+ name)

1	print('My name is'+ name)

age = 24
print ('My Age is '+str(age))

count = '5'
print(int(count)+1)

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age = 24

print ('My Age is '+str(age))

count = '5'

print(int(count)+1)

score = 100
if score == 100:
	print('Great Job')
elif score == 60:
	print('Not bad')
else:
	print('You bad')

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score = 100

if score == 100:

print('Great Job')

elif score == 60:

print('Not bad')

else:

print('You bad')

score = 100
print(score == 100) /*Will return true*/

1 2	score = 100 print(score == 100) /Will return true/

if a>10 and a<30:
	print('a is between 10 and 30')
if not z==77:
    print('z is not 77')

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if a>10 and a<30:

print('a is between 10 and 30')

if not z==77:

print('z is not 77')

apple_price = 2
input_count = input('How many apples do you want?:')
count=int(input_count)
total_price = apple_price * count

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apple_price = 2

input_count = input('How many apples do you want?:')

count=int(input_count)

total_price = apple_price * count

foods = ['pasta','curry','sushi']
print(foods[0])
#Update value (override)
foods[1]='pizza'
#Append Value
foods.append('pizza')

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foods = ['pasta','curry','sushi']

print(foods[0])

#Update value (override)

foods[1]='pizza'

#Append Value

foods.append('pizza')

for food in foods:
	print('I like'+food)

1 2	for food in foods: print('I like'+food)

fruits={'apple':'red','banana':'yellow','grape':'purple'}
# Will return 'red',don't forget the quote
print(fruits['apple'])
# Adding value to dictionary
fruits['peach'] = 'pink'

#Dictionary Loop
for fruits_name in fruits:
	print('The color of '+fruit_name+' is'+fruits[fruit_name])

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fruits={'apple':'red','banana':'yellow','grape':'purple'}

# Will return 'red',don't forget the quote

print(fruits['apple'])

# Adding value to dictionary

fruits['peach'] = 'pink'

#Dictionary Loop

for fruits_name in fruits:

print('The color of '+fruit_name+' is'+fruits[fruit_name])

x =1
while x<=100:
	print(x)
	x+=1

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x =1

while x<=100:

print(x)

x+=1

# Break during loop 
numbers = [1,2,3,4,5,6]
for number in numbers:
	print(number)
	if number == 3:
		break

# The opposite is continue
numbers = [1,2,3,4,5,6]
for number in numbers:
	if number % 2 == 0:
		continue
	print(number)

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# Break during loop

numbers = [1,2,3,4,5,6]

for number in numbers:

print(number)

if number == 3:

break

# The opposite is continue

numbers = [1,2,3,4,5,6]

for number in numbers:

if number % 2 == 0:

continue

print(number)

def greet():
	print('Hello')

greet()

# Functions with argument
def greet(name):
	print("Hello "+name)

greet('Johny')

# Functions default values
def greet(name,message = 'Nice to Meet You'):
	print("Hello "+name+message)

greet('Johny')

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def greet():

print('Hello')

greet()

# Functions with argument

def greet(name):

print("Hello "+name)

greet('Johny')

# Functions default values

def greet(name,message = 'Nice to Meet You'):

print("Hello "+name+message)

greet('Johny')

def add(a,b):
	return a + b

sum = add(1,3)
print(sum)

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def add(a,b):

return a + b

sum = add(1,3)

print(sum)

# This means import from file with name utils.py
import utils
if utils.validate(player_hand)

# Alternative
form utils import validate 
if validate(player_hand)

# Python standard library
math : modules for complex calculations
random : modules for generating random values
datetime : modules for handling date and time data 
randint(1,10) //Random integer between 1 and 10

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# This means import from file with name utils.py

import utils

if utils.validate(player_hand)

# Alternative

form utils import validate

if validate(player_hand)

# Python standard library

math : modules for complex calculations

random : modules for generating random values

datetime : modules for handling date and time data

randint(1,10) //Random integer between 1 and 10

class MenuItem:
	def info(self):
		print('Hi You!')

menu_item1 = MenuItem()
menu_item1.name = 'Sandwich'

//Method is a function inside a class, need first argument to be self
class MenuItem:
    def info(self):
        # Output in the format '____: $____'
        print(self.name+': $'+str(self.price))

menu_item2.info()

//Special method __init__ , called automatically
class MenuItem:
    # Define the __init__ method
    def __init__(self):
        print('An instance of the MenuItem class was created!')

from menu_item import MenuItem  

menu_item1 = MenuItem('Sandwich', 5)
menu_item2 = MenuItem('Chocolate Cake', 4)
menu_item3 = MenuItem('Coffee', 3)
menu_item4 = MenuItem('Orange Juice', 2)

# Set the menu_items variable to a list of the MenuItem instances
menu_items = [menu_item1, menu_item2, menu_item3, menu_item4]

# Create the for loop
for menu_item in menu_items:
    print(menu_item.info())

//menu_item.py
class MenuItem:
    def __init__(self, name, price):
        self.name = name
        self.price = price

    def info(self):
        return self.name + ': $' + str(self.price)

    def get_total_price(self, count):
        total_price = self.price * count
        return total_price

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class MenuItem:

def info(self):

print('Hi You!')

menu_item1 = MenuItem()

menu_item1.name = 'Sandwich'

//Method is a function inside a class, need first argument to be self

class MenuItem:

def info(self):

# Output in the format '____: $____'

print(self.name+': $'+str(self.price))

menu_item2.info()

//Special method __init__ , called automatically

class MenuItem:

# Define the __init__ method

def __init__(self):

print('An instance of the MenuItem class was created!')

from menu_item import MenuItem

menu_item1 = MenuItem('Sandwich', 5)

menu_item2 = MenuItem('Chocolate Cake', 4)

menu_item3 = MenuItem('Coffee', 3)

menu_item4 = MenuItem('Orange Juice', 2)

# Set the menu_items variable to a list of the MenuItem instances

menu_items = [menu_item1, menu_item2, menu_item3, menu_item4]

# Create the for loop

for menu_item in menu_items:

print(menu_item.info())

//menu_item.py

class MenuItem:

def __init__(self, name, price):

self.name = name

self.price = price

def info(self):

return self.name + ': $' + str(self.price)

def get_total_price(self, count):

total_price = self.price * count

return total_price

# Inheritance
class Food(MenuItem):
	pass

# User super() if both parent and child class has __init__ method
def __init__(self, name, price, calorie_count):
        # Using super() call __init__() from the parent class
        super().__init__(name,price)

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# Inheritance

class Food(MenuItem):

pass

# User super() if both parent and child class has __init__ method

def __init__(self, name, price, calorie_count):

# Using super() call __init__() from the parent class

super().__init__(name,price)

indocoder.com

1. Print String and Integer in Python

2. Comment in Python

3. Create Variable in Python

4. Updating Variable

5. Concatenation

6. Type Conversion

7. IF and ELSE Condition

8. True and False

9. AND and OR expression

10. INPUT function

11. LISTS in Python

12. FOR loops

13. Python DICTIONARY, key-value pair

14. WHILE loops

15. BREAK and CONTINUE during loops

16. Python Functions

17. Return Value

18. Python Modules

19. Python Classes, Methods, and Properties

20. Class Inheritance

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