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