[Python3] if-elif-else條件語句

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# if else練習

height = 1.75
weight = 60.5

bmi = weight / (height * height)
print('BMI index is: %.2f' % bmi)
if bmi < 18.5:
    print('過輕')
elif bmi < 25:
    print('正常')
elif bmi < 28:
    print('過重')
elif bmi <= 32:
    print('肥胖')
else:
    print('過於肥胖')

# 條件判斷從上向下匹配，當滿足條件時執行對應的塊內語句，後續的elif和else都不再執行。