﻿ python获取从命令行输入的数字代码示范_python_开心洋葱网
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# python获取从命令行输入的数字代码示范

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python获取从命令行输入的数字代码演示

```#------------------------------------------------------------------------------
#           Name: numerical_input.py
#         Author: Kevin Harris
#    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( "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: