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day2-运算符和分支
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前言
python語(yǔ)法學(xué)習(xí)，留給需要的人，懂得都懂！！
**01-運(yùn)算符**
"""
"""
"""
print
(1+1
)
print
(7*7
)
"""
"""
"""
"""
"""
"""
result
= 3*5
print
(result
)
"""
"""
"""
'''
'''
'''
print
(2.4/2
)
print
(2.4//2
)
'''
'''
'''
"""
""
num
= input
('任意輸入一個(gè)三位數(shù)：')
result
= int
(num//100
)
print
(result
)
"""
""
'''
'''
'''
print
(5%2
)
'''
'''
'''
'''
'''
'''
''
print
(7%3
)
'''
'''
'''
''
"""
"""
"""
print
(3**2
)
"""
"""
"""
'''
'''
'''
''
print
(16**0.5
)
'''
'''
'''
''**02-比較運(yùn)算符**
'''
'''
'''
print
(3<2)
print
(34>23)
print
(1==1)
'''
'''
'''
"""
"""
"""
num
= 12
result=(10<num
<20)
print
('result:',result
)
"""
"""
"""**03-邏輯運(yùn)算符**
"""
"""
"""
1)應(yīng)用場(chǎng)景：相當(dāng)于生活中的并且；用于需要多個(gè)條件同時(shí)滿足的情況；
2)運(yùn)算規(guī)則：條件1 and 條件2 - 如果兩個(gè)條件都成立，則Ture，否則False；
True and True -
> True
True and False -
> False
False and False -
> False
"""
"""
"""
"""""
"""
"""
""
num
= 14
print
('能否同時(shí)被3和7整除:',
(num%3
==0) and
(num%7
==0))
num
= 14
print
('能否同時(shí)被3和7整除:',
(num%21
==0))
"""
"""
"""
""
**04-賦值運(yùn)算符**
"""
"""
"""
s
= 10
a
=102
a
+= 10
print
(a
)
"""
"""
"""
"""
"""
"""
num
= 23
print
(num %
3 == 0 and num %
7 == 0)
"""
"""
"""
"""
"""
"""
print
(True+1
)
print
(False+1
)
"""
"""
"""
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