Python学习(一) 数值

#FileName: Numbers.pyprint("2+2=",2+2);print("(50-5*6)/4=",(50-5*6)/4);# ‘=’ 等号是给变量赋值的， 同cwidth=20height=30circumference=(width+height)*2 #周长area=width*height#面积print("L=",circumference,",S=",area)#phthon 支持浮点。print("==============phthon 支持浮点================")print("(3*3.75)/1.5=",(3*3.25)/1.5)print(7.0/2)#python 支持复数print("============#python 支持复数==================")a=3+2jb=4+5jc=a*complex(1.5,2)print((a+b)*2)print((a*1.2+b))print("c=",c)print("a.real is ",a.real)#print 复数a的实部print("a.imag is ",a.imag)# print 复数的虚部#--不能用float(),int(),long()进行转换print(int(a)) #Traceback (most recent call last): #File "D:/Python31Testing/Numbers.py", line 39, in <module> #print(int(a)) #TypeError: can't convert complex to int

 

 

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