3.variable.py

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# HEY KYA KARU यूट्यूब के जरूरी लिंक 
# 1. Python Basic and Advance ट्यूटोरियल प्लेलिस्ट https://www.youtube.com/playlist?list=PLK6wiPavf7QikS9PMYrGZXz1HlE1KZLD3
# 2. PHP Projects प्लेलिस्ट https://www.youtube.com/playlist?list=PLK6wiPavf7QiEj6IPc3lkjz1wR4w9RM6B
# 3. GitHubट्यूटोरियल प्लेलिस्ट  https://www.youtube.com/watch?v=LUyVs2MTlTM&list=PLK6wiPavf7Qjydpc5v-hdIoqCx2V19pHP

'''
math me hum kaise likhte hai

a = 3
b = 5
c = a + b
answer = 8

var a = 6 c++/c
$a = 6  php
a = 6   python
'''

a = '5' # a ek varibale name hai aur 5 value hai jo ki a ko assign ki gai hai
print('\n',a) # print ek predefine function jo ki pahle se hi bana hua hai. isko humen nahi baya hai

'''
varaible ko define karte time - 
1. varibel name kabhi bhi number se nahi start hota hai
2. varabiel ke andar kabhi bhi space ya special character nahi use karte hai


varaibel kya hai?

1. varaibal ek holder hai jo ki kisi bhi value ko hold karke rakhta hai
2. varabile wo single value ya multiple value hold kar sakta hai.
3. array ya object multiple values hold karte hai
4. varabiel 2 type ke hote hai = 
    a. local variable : local varibel ka ek specific dayra hota hai.
    b. global variable : gloable variable har ek jagh accessable hota hai.

Notes:
    in topics ko ek baar padhlo
        1. what is array
        2. what is object
        3. what is function
'''

name = 'hey kya karu'
print('\n',name)

# type() ye ek predefine function hai jo ki varaiable ke type ko bata hai.
print('\na ka type => ',type(a))
print('\nname ka type => ',type(name))

# ek sath 1 se jada variable ko ek baar me alag alag value assign kar sakte hai
b, c, d = 10, 20, 30
print('\nb ki value',b)
print('\nc ki value',c)
print('\nd ki value',d)

# hum ek sath kai variables ko ek hi value assign kar sakte hai
e=f=g = 40
print('\ne ki value',e)
print('\nf ki value',f)
print('\ng ki value',g)

q = 'hello q'
q = 'hello Q'

print('\nq value = ',q)
# print('\nQ value = ',Q)


# contactanation
# contactanation hamesa 2 string ke bich me hota hai agar int aur str ko concateneate karoge to error milega
x = 'Karm karo, fal ki chinta mat karo'
y = 10
print('\nHey kya karu '+ y)