What are the methods of rounding down in Python?

In python, you can use the following method to round down:

1. Use the integer division operator //, which truncates the result to the nearest integer less than or equal to the original value.

x = 7.8
y = x // 1
print(y)# 输出: 7

2. Use the math.floor() function, which returns the largest integer not greater than the input parameter.

import math

x = 7.8
y = math.floor(x)
print(y)# 输出: 7

3. Use the numpy.floor() function, which returns the largest integer not larger than the input argument.

import numpy as np

x = 7.8
y = np.floor(x)
print(y)# 输出: 7.0

These methods can be selected and used according to specific needs.

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