L = {
'Adam':95,
'Lisa':85,
'Bart':59
}
for X in L:
if L[X] ==85:
print X
'Adam':95,
'Lisa':85,
'Bart':59
}
for X in L:
if L[X] ==85:
print X
2016-02-26
print 45678 + 0x12fd2
print "Learn Python in imooc"
print 100 < 99
print 0xff == 255
print "Learn Python in imooc"
print 100 < 99
print 0xff == 255
2016-02-26
n=0
sum=0
while True:
sum+=2**n
n+=1
if n>19:
break
print sum
sum=0
while True:
sum+=2**n
n+=1
if n>19:
break
print sum
2016-02-25
s =100
x =1
sum =0
while x <s:
sum =sum +x
x =x +2
print sum
还好有一点点VB的基础
x =1
sum =0
while x <s:
sum =sum +x
x =x +2
print sum
还好有一点点VB的基础
2016-02-25
score=85
if score >=90:
print'excellent'
elif score >=80:
print'good'
elif score >=60:
print'passed'
else:
print 'failed'
if score >=90:
print'excellent'
elif score >=80:
print'good'
elif score >=60:
print'passed'
else:
print 'failed'
2016-02-25
s=55
if s>=60:
print 'passed'
else:
print 'failed'
if s>=60:
print 'passed'
else:
print 'failed'
2016-02-25
思考这个是因为age=20满足了第一个判断,在执行时是只执行第一个满足的判断下的语句,对后续平行的几个判断是不做运算的。要修改只需要把age>=18和age>=6替换位置。或者在age>=6后面加条件改为age>=6 and age<18。
2016-02-25