Python 基础学习20151201

L = [
['Apple','Google','Microsoft'],
['Java','Python','Ruby','PHP'],
['Adam','Bart','Lisa']
]
#打印Apple
print(L[0][0])
#打印Python
print(L[1][1])
#打印Lisa
print(L[2][2])

age =20
if age >= 18:
print('your age is',age)
print('adult')
else:
print('your age is',age)
print('teenager')

s = input('birth:')
birth = int(s)
if birth < 2000:
print('00前')
else:
print('00后')

height = 1.75
weitht = 80.5
bmi = weitht / (height*height)
print(bmi)
if bmi <18.5:
print("过轻")
elif bmi >=  18.5 and bmi <25:
print("正常")
elif bmi >= 25 and bmi< 28:
print("过重")
elif bmi >= 28 and bmi <32:
print("肥胖")
else:
print("严重肥胖")

sum = 0
for x in range(101):
sum = sum + x
print(sum)

Name = ['Bart','Lisa','Adam']
for xxx in Name:
print("Hello",xxx ,'!')
b = 0
...
while b <= 2:
print("Hello",Name[b],'!')
b = b +1