object intospection

-

 a="harish"

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

Comments

Post a Comment

Popular posts from this blog

property decorator

-
'''class person: def __init__(self,fname,lname): self.fname=fname self.lname=lname self.fullname=f"{self.fname} {self.lname}" #derived from above attributes not from object arguments p1=person("N","Harish") #object print(p1.fullname) p1.fname="software" #here i can change fname and lname print(p1.fname) print(p1.fullname) #fname changed but full name was not changed because it is not came from object arguments ''' #_______________________________________________________________________ # using property decorator we change directly the attribute see below code class person: def __init__ ( self , fname , lname): self .fname=fname self .lname=lname @property #due to this i can call fullname function as attribute that is without () after function def fullname ( self ): #getter if self .fname== None or self .lname== None : return "fullname was dele...
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