Python 3.5.3 (v3.5.3:1880cb95a742, Jan 16 2017, 15:51:26) [MSC v.1900 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> w=52
>>> h=1.68
>>> t=w/h**2
>>> t
18.42403628117914
>>> if t<18:
	print ("低体重.")
elif t<=25:
	print ("正常体重.")
elif t<=27:
	print("超重体重.")
elif t>27:
	print("肥胖.")

	
正常体重.
>>> 

0087d82819e5502e0d1a966508eededa72650752
Python 3.5.3 (v3.5.3:1880cb95a742, Jan 16 2017, 15:51:26) [MSC v.1900 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> w=52
>>> h=1.68
>>> t=w/h**2
>>> t
18.42403628117914
>>> if t<18:
	print ("低体重.")
elif t<=25:
	print ("正常体重.")
elif t<=27:
	print("超重体重.")
elif t>27:
	print("肥胖.")

	
正常体重.
>>> 
