学习streamlit-13

发表于 更新于 阅读次数： 本文字数： 230 阅读时长 ≈ 1 分钟

今天练习做一个BMI计算应用：

参考代码：

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
# import the streamlit library
import streamlit as st

# give a title to our app
st.title('Welcome to BMI Calculator')

# TAKE WEIGHT INPUT in kgs
weight = st.number_input("Enter your weight (in kgs)")

# TAKE HEIGHT INPUT
# radio button to choose height format
status = st.radio('Select your height format: ',
				('cms', 'meters', 'feet'))

# compare status value
if(status == 'cms'):
	# take height input in centimeters
	height = st.number_input('Centimeters')

	try:
		bmi = weight / ((height/100)**2)
	except:
		st.text("Enter some value of height")

elif(status == 'meters'):
	# take height input in meters
	height = st.number_input('Meters')

	try:
		bmi = weight / (height ** 2)
	except:
		st.text("Enter some value of height")

else:
	# take height input in feet
	height = st.number_input('Feet')

	# 1 meter = 3.28
	try:
		bmi = weight / (((height/3.28))**2)
	except:
		st.text("Enter some value of height")

# check if the button is pressed or not
if(st.button('Calculate BMI')):

	# print the BMI INDEX
	st.text("Your BMI Index is {}.".format(bmi))

	# give the interpretation of BMI index
	if(bmi < 16):
		st.error("You are Extremely Underweight")
	elif(bmi >= 16 and bmi < 18.5):
		st.warning("You are Underweight")
	elif(bmi >= 18.5 and bmi < 25):
		st.success("Healthy")
	elif(bmi >= 25 and bmi < 30):
		st.warning("Overweight")
	elif(bmi >= 30):
		st.error("Extremely Overweight")