months = set(['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'])
x1 = 'Feb'
x2 = 'Sun'
if x1 in months:
print 'x1: ok'
else:
print 'x1: error'
if x2 in months:
print 'x2: ok'
else:
print 'x2: error'
x1 = 'Feb'
x2 = 'Sun'
if x1 in months:
print 'x1: ok'
else:
print 'x1: error'
if x2 in months:
print 'x2: ok'
else:
print 'x2: error'
2017-02-08
for x in [1,2,3,4,5,6,7,8,9]:
for y in [0,1,2,3,4,5,6,7,8,9]:
if x<y:
print x*10+y
for y in [0,1,2,3,4,5,6,7,8,9]:
if x<y:
print x*10+y
2017-02-07
sum = 0
x = 1
n = 1
while True:
sum = sum + x
x = x * 2
n = n + 1
if n > 20:
break
print sum
x = 1
n = 1
while True:
sum = sum + x
x = x * 2
n = n + 1
if n > 20:
break
print sum
2017-02-07
sum = 0
x = 1
while x < 100:
sum = sum + x
x = x + 2
print sum
x = 1
while x < 100:
sum = sum + x
x = x + 2
print sum
2017-02-07
L = [75, 92, 59, 68]
sum = 0.0
for score in L:
sum = sum + score
print sum / 4
sum = 0.0
for score in L:
sum = sum + score
print sum / 4
2017-02-07
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'
2017-02-07
score = 55
if score >= 60:
print 'passed'
else:
print 'failed'
if score >= 60:
print 'passed'
else:
print 'failed'
2017-02-07