Python Lab Work 25_august_2022

 """

Lab Work: Python

Lists:

Indexed,ordered,mutable,declared with [],can have elements of any datatype

To add an element to the list use "append" function

mylist.append("mango")

print(mylist)

 

appened() to add at the end

insert() to add at any Index

extend() to extend another list at the end

+ operator--> to add one ist with other

mylist.pop()

print(mylist)

mylist.remove("apple")

print(mylist)

To find the length of a list use "len" function

print(len(mylist))

"""

def list_manip(ls1):

    ls1=ls1+[5,6,7,8]

    

    

def decor_print(func):

    def inner_func(str):

        return str+"-->"

    return inner_func

    

@decor_print

def myPrint(str):

    return str

def main():

    # ls=[*(input("Enter the elements for the list").split())]

    # ls1=[print(elem,end=" ") for elem in sorted(ls)]

    # print(end="\n")

    # print(myPrint("This is a string!"))

    pass

if __name__=="__main__":

    main()    

''' To show that variables get new reference every time we make changes to them'''

    

    ls2=[1,2,3,4]

    ls3=ls2

    # list_manip(ls2)

    print(myPrint("Before manip id of ls2"),id(ls2))

    ls2=ls2+[5,6,7,8]

    print(myPrint("ls3 is"),*ls3)

    print(myPrint("id of ls3 is"),id(ls3))

    

    print(myPrint("ls2 is"),*ls2)

    print(myPrint("id of ls2 is"),id(ls2))

    print(ls4