#Func is a block of code for some specific operation. Code is re-usable
#Improve modularity
# rules to define func, should've a-z,A-Z,0-9,_
#don't inclusre any space
#define function before calling it
#types are 1.built in print(ln("hi"))
#2.User defined 

def diplay():
    print("This is how you define")
    print("Now calling it")

diplay()

print(len("hi"))
