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python获取从命令行输入数字的方法

2015-04-29 09:34 1181 查看

本文实例讲述了python获取从命令行输入数字的方法。分享给大家供大家参考。具体如下：

#----------------------------------------
#      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...' )

希望本文所述对大家的Python程序设计有所帮助。

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标签： python 命令行数字

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