python作业救救我吧，都是很简单的问题？

#!/usr/bin/python3
# -*- coding:utf-8 -*-
"""
@author:Strom_duck
@file :20200526_01.py
@time :2020/5/26 9:28
"""

"""
20200526百度问题
"""

def getbmi(heigth, weigth):
bmi = round(weigth / heigth ** 2, 2)

if bmi < 18.5:
result = '偏瘦'
elif 18.5 <= bmi < 24:
result = '正常范围'
elif 24 <= bmi < 28:
result = '偏胖'
else:
result = '超重'
return bmi, result

def isodd(n):
if n % 2 != 0:
return True

def iseven(n):
if n % 2 == 0:
return True

if __name__ == '__main__':
alist = []
for i in range(10):
aint = int(input("请输入一个整数："))
alist.append(aint)
else:
print("输入的10个整数是：{}".format(alist))
print("按升序排序显示：{}".format(sorted(alist)))
print("最小值：{0}，最大值：{1}".format(min(alist), max(alist)))
print("按降序排序显示奇数：{}".format(sorted(list(filter(isodd, alist)), reverse = True)), end=" ,")
print("共有奇数：{}个".format(len(list(filter(isodd, alist)))))
print("按降序排序显示偶数：{}".format(sorted(list(filter(iseven, alist)), reverse = True)), end=" ,")
print("共有偶数：{}个".format(len(list(filter(iseven, alist)))))

height = float(input("请输入身高（米）："))
weigth = float(input("请输入体重（公斤）："))
abim = getbmi(height, weigth)
print("BIM：{}\n胖瘦程度：{}".format(abim[0], abim[1]))

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