d = { 'Adam': 95, 'Lisa': 85, 'Bart': 59, 'Paul': 74 }
sum = 0.0
for x in d.values():
sum=sum+x
print sum*1.0/4
sum = 0.0
for x in d.values():
sum=sum+x
print sum*1.0/4
2016-07-09
sum = 0
x = 1
while x< 101:
x++
if x/2 not= 0:
sum += x
print sum
x = 1
while x< 101:
x++
if x/2 not= 0:
sum += x
print sum
2016-07-09
def firstCharUpper(s):
return s[:1].upper()+s[1:]
print firstCharUpper('hello')
print firstCharUpper('sunday')
print firstCharUpper('september')
return s[:1].upper()+s[1:]
print firstCharUpper('hello')
print firstCharUpper('sunday')
print firstCharUpper('september')
2016-07-09
def average(*args):
sum=0
n=1
for x in args:
sum=sum+x
n=n+1
if n==1:
return 0*1.0
else:
return sum*1.0/(n-1)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
这个在编译器上就能过,为什么在这不能过?!!!
sum=0
n=1
for x in args:
sum=sum+x
n=n+1
if n==1:
return 0*1.0
else:
return sum*1.0/(n-1)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
这个在编译器上就能过,为什么在这不能过?!!!
2016-07-09
L = ['Adam', 'Lisa', 'Bart']
L.insert(0,L.pop(2))
L.insert(2,L.pop(1))
print L
L.insert(0,L.pop(2))
L.insert(2,L.pop(1))
print L
2016-07-08