Help explain how to write this Function

Question

spam = [‘apples’, ‘bananas’, ‘tofu’, ‘cats’]
Write a function that takes a list value as an argument and returns
a string with all the items separated by a comma and a space, with and
inserted before the last item. For example, passing the previous spam list to
the function would return 'apples, bananas, tofu, and cats' . But your function
should be able to work with any list value passed to it.

Answer 1

Why don't you give a try??

Answer 2

not just merely printing out the values

Answer 3

https://code.sololearn.com/cYI9eKhU7BiY/?ref=app

Answer 4

Thank you Sami Khan

Answer 5

spam = ['apples','bananas','tofu','cats']

def listFunction(listValue):
listValue.insert(3, 'and')
return listValue

print(listFunction(spam))

OUTPUT: ['apples', 'bananas', 'tofu', 'and', 'cats']

I don’t think this is right because if the size of the list changes, this funcation will not be effective. commas are not added. Sami Khan

Answer 6

But u can get the length of the list right?
Just subtract one from it

listValue.insert(len(spam)-1, 'and')

Answer 7

thanks that works now, but how do I put commas in between the list values?

Answer 8

Cbr✔[ ZeroCharisma ] its not a homework, reading the book: Automate the boring stuff with Python. thats an excercise, thank you

Answer 9

This is my result :
def a(spam):
for i in range(len(spam)-1):
if spam[0] in spam[i]:
print("'",end='')

c=(spam[i]+',')
print(c,end='')
if spam[-1] not in spam[i]:
print('and '+spam[-1]+"'")

a(['táo', 'chuối', 'đậu phụ', 'mèo'])

Answer 10

def lol(a):
lastWord = a[len(a)-1] + '.'
del a[len(a)-1]
a.append('end ' + lastWord)
L=0
while L<=len(a)-2:
print(a[L],end=', ')
L=L+1
else:
print(a[len(a)-1])

spam = ['apples','bat','tofu','cats']
lol(spam)

Answer 11

spam = ['apples','bananas','tofu','cats','apples','bananas','tofu','cats']
def listFunction(listValue):
i = 0
while i < len(listValue)-1:
print (listValue[i]+',', end='')
i=i+1
print('and '+listValue[-1])
listFunction(spam)