x
=
2
1
<
x
<
3
# True
10
<
x
<
20
# False
3
>
x
<=
2
# True
2
==
x
<
4
# True
8SɨRXмOMВQXVETL϶RXмXVSRKQШXXϼTLвT
in
OMВQXVE
GɹXТRXϰM
not in
OMВQOLɺRKXТRXϰM
'good'
in
'this is a greate example'
# F
alse
'good'
not
in
'this is a greate example'
# True
'ϴYXVɾGчMАYOLMВR
4]XLSRLЦXVвQШXWРGϴYXVɾGчMАYOLMВRXLɺRKHдRK,϶Y
LЎXGɨGGϴYXVɾGчMАYOLMВRчАYHрEZɧSXLдXч϶YHɸRK
MRHIRXMSR чВXϰSXLɧRLQШXFPSGO\мPʁXLE]ZɳWмHдRK
{
ŷ
}
RLGɨGRKɺRRKоOLɨG4,4.EZEWGVMTX
-JŷIPMJŷIPWI