object intospection

-

 a="harish"

print(type(a))
print(id(a))
print(dir(a))

Comments

Post a Comment

Popular posts from this blog

'is' vs '==' in python

-
# '==' : value equality-two objects have the same value # is : reference equality- two references refer to the same object a=[ 1 , 2 , 3 ] b=a #two references refer to the same object(b is not the copy of a) print (b==a) print (b is a) c=a[:] #two references refer to the two different object(now c is the copy of a) print (c==a) print (c is a)
Read more

strings 2

-
//different methods to take a string from user #include <stdio.h> int main () {     char str1 [ 10 ];     printf ( "enter a string:" );     gets ( str1 ); //method 1: using gets function     printf ( " %s \n " , str1 );     char str2 [ 10 ];     printf ( "enter a string:" );     scanf ( " %s " ,& str2 ); //method 2:using scanf, but with this we cannot use white spaces in string     printf ( " %s \n " , str2 );     printf ( "using puts displaying string output \n " );     puts ( str2 ); //puts function is used to display string output     return 0 ; }
Read more

Function caching

-
from functools import lru_cache @lru_cache ( maxsize = 1 ) def func1 (n): import time #some time consuming task time.sleep(n) return "harish" if __name__== '__main__' : print(func1( 3 )) input( "enter any key:" ) print(func1( 3 ))
Read more