Question

How to add a number to the first tuple of each row in a nested list of tuples in Python

Answer 1

# Create a nested list of tuples
data = [
    [(1, 2), (3, 4)],
    [(5, 6), (7, 8)],
    [(9, 10), (11, 12)]
]

for r in range(len(data)):
    a, b = data[r][0]
    data[r][0] = (a + 100, b + 100)


for i in range(len(data)):
    print(f"Row {i}:", data[i])




'''
run:

Row 0: [(101, 102), (3, 4)]
Row 1: [(105, 106), (7, 8)]
Row 2: [(109, 110), (11, 12)]

'''

 

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