Python For Beginners - Python Basics

PYTHON FOR BEGINNERS

# Variables: Used to hold Values

x = 200

y = 2

z = x+y

print(z)

OUTPUT: 202

# Careating Strings in Python

r = 'Create stings'

print(r)

d = 'Don\'t Give Up'

print(d)

OUTPUT  

Create stings

Don't Give Up

#Hold Values in Strings

val = 50

disp = 'My Value is %s'

print(disp % val)

OUTPUT: My Value is 50

#placeholder different variables - replace stings

msg = '%s: Python is good'

msg2 = '%s: Yes'

c1 = 'Roy'

c2 = 'Jhon'

print(msg % c1)

print(msg2 % c2)

OUTPUT  

Roy: Python is good

Jhon: Yes

#Hold Multiple Values 

Hold= 'Add %s and %s'

num1 = 23

num2 = 65

print(Hold % (num1,num2))

OUTPUT: Add 23 and 65

#String Multiplication

print(3 * 'R')

OUTPUT: RRR

#How to use Space/Tab

Space = ' ' * 10

print('%s Hello' % Space)

print()

print('%s Life = Peace' % Space)

OUTPUT  : 

           Hello

           Life = Peace

#Create a String List and access Values from it.

SimpleList = ('Peace, Smile, Nature, Birds, Animals')

#Display My List

print(SimpleList)

OUTPUT: Peace, Smile, Nature, Birds, Animals

MyList = ['Peace', 'Smile', 'Nature', 'Birds', 'Animals']

print(MyList[2])

OUTPUT: Nature

print(MyList[1:3])

OUTPUT: ['Smile', 'Nature']

#Add a new item to the List

MyList.append('Care')

print(MyList)

OUTPUT : ['Peace', 'Smile', 'Nature', 'Birds', 'Animals', 'Care'] 

#Remove Item from List

del MyList[4]

print(MyList)

OUTPUT : ['Peace', 'Smile', 'Nature', 'Birds', 'Care'] 

#Join Multiple List

L1 = ['Math Digits']

L2 = [0,1,2,3,4,5,6,7,8,9]

print(L1 + L2)

OUTPUT : ['Math Digits', 0, 1, 2, 3, 4, 5, 6, 7, 8, 9] 

#IF Else Statements

#Indentation: use same number of spaces else indentation error will occur

a = 10;

if (a>=50):

    print('a is Greater')

else:

    print('a is less than 50')

OUTPUT: a is less than 50

#IF and ElseIF statement

b = 10;

if (b>=50):

    print('b is Greater')

elif (b == 50):

    print('b is equal to 50')

else:

    print('b is less than 50')

OUTPUT: b is less than 50

#Conditions Combination

c = 12

if (c<=5 or c>= 10):

    print('Today is Your Birthday')

    print('Happy Birthday To You :)')

else:

    print('Every Day is New Day!')

OUTPUT: 

Today is Your Birthday

        Happy Birthday To You :)

#FOR LOOP: Print any String Multiple Time

for x in range (0,5):

    print('Good Day!')

OUTPUT: 

Good Day!

Good Day!

Good Day!

Good Day!

Good Day!

#FOR LOOP: Print String and Values

for x in range (0,3):

    print('Student %s' % x)

OUTPUT: 

Student 0

Student 1

Student 2

#Display Color List

ListC = ['red','black','green','blue','yellow']

for r in ListC:

    print(r)

OUTPUT: 

red

black

green

blue

yellow

#While Loop

x = 5

y = 32

while (x<16 and y<65):

    x = x+5

    y = y+6

    print(x,y)

OUTPUT:

10 38

15 44

20 50

#Function in Python: Name, Parameter, and Body

def fun(name):

    print('Hello %s' % name)

#Function Calling

fun('Roxy')

OUTPUT: Hello Roxy

#Variable and Scope

def var():

    v1 = 2

    v2 = 3

    return v1*v2

print(var())

OUTPUT: 6

#Time

import time

print(time.asctime())

OUTPUT: Wed Oct  5 13:31:04 2022