#测试布尔型
a1=0
print(type (a1),bool(a1))
a2=0.0
print (type (a2),bool (a2))
a3=0.0+0.0j
print (type (a3),bool (a3))
a4=“”
print (type (a4),bool(a4))
a5=[] #列表类型
print (type (a5),bool(a5))
a6={} #字典类型
print (type (a6j,bool (a6))
#运行效果
<class ‘int’> False
<class ‘float’> False
<class ‘complex’> False
<class ‘str’> False
<class ‘list’> False
<class ‘dict’> False
