python获取从命令行输入的数字代码演示，python命令行,#-----------

python获取从命令行输入的数字代码演示，python命令行,#-----------

#------------------------------------------------------------------------------#           Name: numerical_input.py#         Author: Kevin Harris#  Last Modified: 02/13/04#    Description: This Python script demonstrates how to get numerical input#                 from the command line and use the if-else conditional.#------------------------------------------------------------------------------print()print( "Welcome to the Area calculation program" )print( "---------------------------------------" )print()# Print out the menu:print( "Please select a shape:" )print( "1  Rectangle" )print( "2  Circle" )print()# The input function both prompts the user for input and fetches it...shape = int( input( "> " ) )# Calculate the area...if shape == 1:    height = int( input("Please enter the height: ") )    width = int( input("Please enter the width: ") )    area = height*width    print( "The area is", area )else:    radius = int( input("Please enter the radius: ") )    area = 3.14*(radius**2)    print(  "The area is", area )input( '\n\nPress Enter to exit...' )