python获取从命令行输入数字的方法
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:KevinHarris
#LastModified:02/13/04
#Description:ThisPythonscriptdemonstrates
#howtogetnumericalinput
#fromthecommandline
#andusetheif-elseconditional.
#----------------------------------------
print()
print("WelcometotheAreacalculationprogram")
print("---------------------------------------")
print()
#Printoutthemenu:
print("Pleaseselectashape:")
print("1Rectangle")
print("2Circle")
print()
#Theinputfunctionbothpromptstheuser
#forinputandfetchesit...
shape=int(input(">"))
#Calculatethearea...
ifshape==1:
height=int(input("Pleaseentertheheight:"))
width=int(input("Pleaseenterthewidth:"))
area=height*width
print("Theareais",area)
else:
radius=int(input("Pleaseentertheradius:"))
area=3.14*(radius**2)
print("Theareais",area)
input('\n\nPressEntertoexit...')
希望本文所述对大家的Python程序设计有所帮助。