与字符串相关的python程序

Question

要求用户输入T或S或R.如果输入的字符串为T，则打印公式 三角形的面积。如果输入的字符串是S，则打印区域的公式 广场。如果是R则打印矩形区域的公式。

Answer 1

import os

while(True):
    print('T: formula of the area of the triangle \n S: formula of the area of the square \n R: formula of the area of the rectangle \n')
    x = raw_input('Enter your option: ')

    if str(x.upper()) == 'T':
       print "area = h*b/2 \n"
    elif str(x.upper()) == 'S':
       print "area = a*a \n"
    elif str(x.upper()) == 'R':
       print "area = w*l \n"
    else:
       print "Please enter a valied input \n"

你去吧