python
print 'Hello,world'
print u'''静夜思
床前明月光,
疑似地上霜。
举头望明月,
低头思故乡。'''
print 1+
2+
3
print 4*
5-
6
print 7.5/
8+
2.1
print (
1+
2)*
3
print (
2.2+
3.3)/(
1.5*(
9-
0.3))
print 1+
1
print 1.0+
1.0
print 11/
4
print 11%
4
print 11.0/
4
print 2.5+
10/
4
print 2.5+
10.0/
4
a =
True
print a
and 'a=T' or 'a=F'
a =
'Python'
print 'hello,',a
or 'world'
b =
''
print 'hello,',b
or 'world'
classmates = [
'michael',
'bob',
'Tracy']
print classmates
classmates = [
'michael',
'100',
'Tracy']
print classmates
L = [
'Adam',
95.5,
'Lisa',
85,
'Bart',
59]
print L
L = [
95.5,
85,
59]
print L[
0]
print L[
1]
print L[
2]
.
L = [
95.5,
85,
59]
print L[-
1]
print L[-
2]
print L[-
3]
.
L = [
'Adam',
'Lisa',
'Bart']
L.append(
'Paul')
print L
L = [
'Adam',
'Lisa',
'Bart']
L.insert(
2,
'paul')
print L
L = [
'Adam',
'Lisa',
'Paul',
'Bart']
L.pop(
2)
print L
L = [
'Adam',
'Lisa',
'Paul',
'Bart']
L.pop(
3)
L.pop(
2)
print L
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