我在新的蟒蛇,我试图做一个简单的退出,如果输入为空或小于一个int类型。我得到它说的错误 - ValueError异常:“在进入没事的时候,只是在启动进入”:无效的字面INT()基数为10。
import sys
import os
import getpass
def clear(): return os.system('clear')
ballance = 500.00
# Garage Stockas
Wood_InStock = 600
Weed_InStock = 300
Gun_InStock = 15
Gun_Ammo_InStock = 500 * 30 # X30 Total 15000
# Kainos
Gun_Ammo_Price = 15.50
Wood_Price = 3.50
Weed_Price = 9.50
Gun_Price = 250.50
# Produktai
medis = '~ Elemental Wood ~'
weed = '~ Indoor Kush ~'
gun = '~ Shotgun ~'
gun_ammo = '~ Shotgun ammo 30x ~'
# Inventory
Wood_Inventory = 0
Weed_Inventory = 0
Gun_Inventory = 0
Gun_Ammo_Inventory = 0
# No Money
Not_Enough_Money = '~ Sorry you dont have enough money'
while True:
Shop_Pasirinkimas = int(input("~ What would you like to buy?\n1. {medis}\n2. {weed}\n3. {gun}\n".format(medis=medis,weed=weed,gun=gun)))
if len(Shop_Pasirinkimas) < 1:
sys.exit("SOrry")
elif Shop_Pasirinkimas == 1:
clear()
WoodPirkimo_Skaic = int(input("How much {medis} would you like to buy? ".format(medis=medis) + "Wood Now in Stock - {woodins}\n".format(woodins=Wood_InStock)))
# Price per wood - 3.50
ballance -= ( Wood_Price * WoodPirkimo_Skaic)
Wood_Inventory += WoodPirkimo_Skaic
Wood_InStock -= WoodPirkimo_Skaic
print("~ In stock of {}, left {}".format(medis,Wood_InStock))
print("~ Successfully bought {}, Your Ballance is {}\n".format(medis,ballance))
print('Inventory:')
print("~ You have {}, of {}\n".format(Wood_Inventory,medis))
Buymore = input("Would you like to buy anything more?... Yes/No\n")
if "Yes" in Buymore or "yes" in Buymore:
continue
elif "No" in Buymore or "no" in Buymore:
break
else:
break
让我们来看看代码只有这一部分:
while True:
Shop_Pasirinkimas = int(input("~ What would you like to buy?\n1. {medis}\n2. {weed}\n3. {gun}\n".format(medis=medis,weed=weed,gun=gun)))
if len(Shop_Pasirinkimas) < 1:
sys.exit("SOrry")
空用户输入将被传递到int()
,但一个空字符串不能转换为int!因此,将引发一个错误。
你应该反而是不转换输入的第一个诠释,并把它作为一个字符串:
while True:
Shop_Pasirinkimas = input("~ What would you like to buy?\n1. {medis}\n2. {weed}\n3. {gun}\n".format(medis=medis,weed=weed,gun=gun))
if len(Shop_Pasirinkimas) < 1:
sys.exit("SOrry")
elif int(Shop_Pasirinkimas) == 1: # convert to int here
clear()
...
INT(X,基峰)函数将来自任何数量或字符串返回整数对象。基缺省值为10如果x是字符串,其相应的号码应该是相对于该基体的可能值范围内。
由于,没有任何输入,它被认为是无效的文字。
因此,请使用输入作为其可以轻松解决这个问题的字符串。
如果用户没有输入一个整数,你会遇到Shop_Pasirinkimas = int(input(...))
异常。除了int
没有len()
所以这也将导致错误len(Shop_Pasirinkimas)
。你可以做到以下几点来完成你想什么
while True:
try:
Shop_Pasirinkimas = int(input("~ What would you like to buy?\n1. {medis}\n2. {weed}\n3. {gun}\n".format(medis=medis,weed=weed,gun=gun)))
if Shop_Pasirinkimas < 1:
sys.exit("SOrry")
elif Shop_Pasirinkimas == 1:
clear()
WoodPirkimo_Skaic = int(input("How much {medis} would you like to buy? ".format(medis=medis) + "Wood Now in Stock - {woodins}\n".format(woodins=Wood_InStock)))
# Price per wood - 3.50
ballance -= ( Wood_Price * WoodPirkimo_Skaic)
Wood_Inventory += WoodPirkimo_Skaic
Wood_InStock -= WoodPirkimo_Skaic
print("~ In stock of {}, left {}".format(medis,Wood_InStock))
print("~ Successfully bought {}, Your Ballance is {}\n".format(medis,ballance))
print('Inventory:')
print("~ You have {}, of {}\n".format(Wood_Inventory,medis))
Buymore = input("Would you like to buy anything more?... Yes/No\n")
if "Yes" in Buymore or "yes" in Buymore:
continue
elif "No" in Buymore or "no" in Buymore:
break
else:
break
except ValueError:
sys.exit("SOrry")