You have given a Python list. Write a program to find value 20 in the list, and if it is present, replace it with 200. Only update the first occurrence of an item.
You have given a Python list. Write a program to find value 20 in the list, and if it is present, replace it with 200. Only update the first occurrence of an item.
Use list method index(20) to get the index number of a 20
Next, update the item present at the location using the index number
Solution:
list1 = [5, 10, 15, 20, 25, 50, 20]
# get the first occurrence index
index = list1.index(20)
# update item present at location
list1[index] = 200
print(list1)
Hint:
index(20)
to get the index number of a 20Solution:
Explanation in video:
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