b. Write a Python program to replace last value of tuples in a list. Sample list: [(10, 20, 40), (40, 50, 60), (70, 80, 90)] Expected Output: [(10, 20, 100), (40, 50, 100), (70, 80, 100)]
Answers
Replacing the last values of tuples in a list.
Language used: Python Programming
Program:
#The given list is:
sample_list = [(10, 20, 40), (40, 50, 60), (70, 80, 90)]
#Iterating over each tuple in a list
for i in range(len(sample_list)):
#tuple is immutable. So, to change the values, let's convert the tuple into list for time being
upd_list=list(sample_list[i])
#changing the last value in each tuple turned list to 100 on each iteration
upd_list[-1] = 100
#After the updation, turn the updated list to tuple and assign it back to the sample list
sample_list[i]=tuple(upd_list)
#printing the updated list
print(sample_list)
Output:
[(10, 20, 100), (40, 50, 100), (70, 80, 100)]
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