Q)

This assignment handles object oriented programming:

Write a main class named myNumberList which has the following functions:

- constructor: has an optional argument that will be added to the list

- add(value): will insert it at the end of the list

- remove(value): will remove the item from the list (if item is there multiple times, it removes all occurrences.

- head(): returns the value in the beginning of the list

- getList(): will return the list

- if I call print(myNumberList) the list should be printed

Write a subclass named myRevOrderedNumberList (from high to low) which has overwrites

- head() function and returns the highest value and

- overwrites the print functionality to be printed appropriately

- getList(): will return the list

Some general notes:

- your lists do only handle numbers (float + int); if a function receives anything else, print a warning and ignore it.

- if variables are used, they should be all private

myL = myNumberList()

myL.add(15)

myL.add(20)

myL.add(1)

print(myL.head()) #15

print(myL) #[15,20,1]

myL.add("5") #Only numbers can be added.

print(myL) #[15,20,1]

myL.add(15)

print(myL) #[15,20,1,15]

myL2 = myRevOrderedNumberList()

myL2.add(15)

myL2.add(20)

myL2.add(1)

myL.add("hello") #Only numbers can be added.

print(myL2) #[20, 15, 1]

print(myL2.head()) #20

ans)

class myNumberList(): def __init__(self): pass def add(self, value): if type(value) == str: print('Only numbers can be added.') elif type(value) == int: lst.append(value) return lst else: print('value is of different type!!') def remove(self, value): list(filter(lambda a: a != value, lst)) def head(self): return lst[0] def getList(self): return lst def __str__(self): return str(lst)

class myRevOrderedNumberList(myNumberList): def __init__(self): pass def head(self): lst1 = sorted(lst, reverse=True) return lst1[0] def getList(self): return lst def __str__(self): lst1 = sorted(lst, reverse=True) return str(lst1)

lst = [] myL = myNumberList() myL.add(15) myL.add(20) myL.add(1) print(myL.head()) # 15 print(myL) # [15,20,1] myL.add("5") # Only numbers can be added. print(myL) # [15,20,1] myL.add(15) print(myL) # [15,20,1,15]

lst = [] myL2 = myRevOrderedNumberList() myL2.add(15) myL2.add(20) myL2.add(1) myL.add("hello") # Only numbers can be added. print(myL2) # [20, 15, 1] print(myL2.head()) # 20

for this solution my tests are failed in repl.it.

i need help with this so that my tests doesnt fail.

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