Python 基礎程式練習
Professor Wu

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# Exercise 1: 計算1+2+....n
sum = 0
n = int (input("請輸入正整數:"))
for i in range(1, n+1):
    sum += i
print(" 1 到 %d 的整數和為 %d" % (n, sum))

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# Exercise 2: 99乘法表
for i in range (1, 10):
    for j in range (1,10):
        product = i * j
        print("%d * %d = %2d " % (i,j,product), end = "")
    print()

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# Exercise 3: 計算BMI
BMI = 0
height = int (input("請輸入身高 (cm):"))
weight = int (input("請輸入體重 (kg):"))

BMI = (weight) / ((height/100)*(height/100))
print ("BMI = %f\n" % (BMI))

if BMI < 18.5:
    print("你過瘦了!")
if BMI >=18.5 and BMI <24:
    print("體重標準!")
if BMI >= 24:
    print("體重過重!")


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