Condition to convert NoneType into a string

Question

I have this python code, I want to convert the NoneType variable into a string, so I wrote this condition to catch it, but i'm unable to overwrite it. How can that be done ? Thanks

int_list= ['10','3',None,'5','8']
i = 0
for l in int_list:
    if l is None:
        l == 'hello'
    print l
    i+=1

Expected Output:

10
3
hello
5
8

Answer 1

You are just changing the value of a variable l, currently containing an element in int_list, not the list itself.

You need to reassign the element in the list with a new value, using the index (here, i) to access this element in the list object.

Do this:

int_list= ['10','3',None,'5','8']
i = 0
for i in range(len(int_list)):
    if int_list[i] is None:
        int_list[i] = 'hello'  # accessing element IN THE LIST as index/position i, reassigning it to the new value 'hello'
    i+=1
print(int_list)

Output:

['10', '3', 'hello', '5', '8']