d = {
'Adam': 95,
'Lisa': 85,
'Bart': 59
}
print 'Adam:',d.get('Adam')
print 'Lisa:',d.get('Lisa')
print 'Bart:',d.get('Bart')
'Adam': 95,
'Lisa': 85,
'Bart': 59
}
print 'Adam:',d.get('Adam')
print 'Lisa:',d.get('Lisa')
print 'Bart:',d.get('Bart')
2018-03-31
score = 55
if score>=60:
print 'passed'
else:
print 'failed'
if score>=60:
print 'passed'
else:
print 'failed'
2018-03-31
利用取余的方法
sum = 0
x = 1
while x<100:
x%2>0
x=x+1
sum=sum+x
print sum
sum = 0
x = 1
while x<100:
x%2>0
x=x+1
sum=sum+x
print sum
2018-03-31
L = ['Adam', 'Lisa', 'Bart']
a = L[-1]
L[-1] = L[0]
L[0] = a
print L
a = L[-1]
L[-1] = L[0]
L[0] = a
print L
2018-03-31
s = 'Python was started in 1989 by "Guido".\nPython is free and easy to learn.'
# s = "Python was started in 1998 by \"Guido\".\nPython is free and easy to learn."
print s
# s = "Python was started in 1998 by \"Guido\".\nPython is free and easy to learn."
print s
2018-03-31
x1 = 1
d = 3
n = 100
x100 = 1+d*(100-1)
s = (x1+x100)*n/2
print s
d = 3
n = 100
x100 = 1+d*(100-1)
s = (x1+x100)*n/2
print s
2018-03-31
d = {
'Adam': 95,
'Lisa': 85,
'Bart': 59
}
a = ['Adam','Lisa','Bart']
b = [95,85,59]
for key,value in zip(a,b):
print key+':'+str(value)
'Adam': 95,
'Lisa': 85,
'Bart': 59
}
a = ['Adam','Lisa','Bart']
b = [95,85,59]
for key,value in zip(a,b):
print key+':'+str(value)
2018-03-31