Python min() Function Explained

1 year ago
Noah Thompson
1 minute

In Python, the min() function is a built-in function used to find the smallest element in a given iterable object. It can accept one or more arguments, as well as an optional keyword argument to specify a comparison rule.

Below are some common usages of the min() function:

Find the smallest element in an iterable object.

numbers = [5, 2, 8, 1, 6]
min_number = min(numbers)
print(min_number)  # 输出：1

Compare multiple numerical values and return the smallest one.

min_value = min(10, 20, 5, 15)
print(min_value)  # 输出：5

3. Specify the comparison rule using keyword arguments.

students = [
    {'name': 'Alice', 'age': 20},
    {'name': 'Bob', 'age': 18},
    {'name': 'Charlie', 'age': 22}
]
youngest_student = min(students, key=lambda x: x['age'])
print(youngest_student)  # 输出：{'name': 'Bob', 'age': 18}

Here are some common uses of the min() function, which is very convenient for finding the smallest element in an iterable object, whether it be numbers, strings, or custom objects.

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