有个Q友问怎么写个程序能按照要求输入，再输出对应形状的面积？
我大概写了几行，没有考虑输出异常，重点想记录下 int 的接收，如下图
知识点就两个
1， 长方形面积 & 三角形面积，因为要从终端接收用户的多个参数输入，所以用了map(int, raw_input().split()) 这种方式
2. 圆面积只想保留小数点后两位，就用到了 %.2f 来接收
#!/usr/bin/python#-*-coding:utf-8 -*-name = raw_input("Please input your name here : ")if name == '': print "we don't like anonymous"else: choose = input("Which shape would you like to choose 1:Rectangle, 2:Square, 3:Triangle or 4 Round? :") if choose == 1: width, height = map(int, raw_input("Input width and height here, like 5 8 :").split()) print "Area = %d" % (width * height) elif choose == 2: length = input("Input width and height here, like 4:") print "Area = %d" % length ** 2 elif choose == 3: width, height = map(int, raw_input("Input width and height here, like 5 8 :").split()) print "Area = %d" % (width * height / 2) elif choose == 4: diameter = input("Input diameter here like 3 :") print "Area = %.2f" % (3.14 * (diameter / 2) ** 2) else: print "Invalid choose"
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