Largest Number in an array using Python

• Input: [2, 14, 5, 53, 26, 33, 12, 8, 9]
• Output: 53
• Assumption: Input contains at least one number.

 

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• Quick code using max() or list sort()

numbers = [2, 14, 5, 53, 26, 33, 12, 8, 9]
largest = max(numbers)
print(largest)

 

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• Interviewer: Rewrite without max().

numbers = [2, 14, 5, 53, 26, 33, 12, 8, 9]
largest = -math.inf
for num in numbers:
    if num > largest:
        largest = num
print(largest)