我有一个使用某些功能的代码:
def 1(...):
return ....
def 2(...):
return ....
def 3(...):
return ....
在程序结尾,我们有一个方程式,其中使用了上述函数。我们如何为用户提供类似于以下内容的选项,以选择应使用的功能?
我想要这样的东西
#for using a function write T and for stopping its usage write F
Use 1 = F
Use 2 = T
Use 3 = T
因此功能1被关闭,功能2和3被打开并在代码中使用。
非常感谢您。
答案 0 :(得分:2)
您可以使用词典并允许用户选择功能
def vash(x):
return x + 1
def the(x):
return x * 2
def stampede(x):
return pow(x, 3)
d = {'vash': vash, 'the': the, 'stampede': stampede}
x = 2
print('Which functions to turn on: \n\tvash: add 1 \n\tthe: double, \n\tstampede: raise to 3rd power')
on = []
while True:
choice = input('Enter function to turn on ("exit" when finished): ')
if choice == 'exit':
break
if choice not in d.keys():
print('Not a valid function.')
continue
on.append(choice)
for i in on:
x = d[i](x)
print(x)
Which functions to turn on: vash: add 1 the: double, stampede: raise to 3rd power Enter function to turn on ("exit" when finished): vash Enter function to turn on ("exit" when finished): blah Not a valid function. Enter function to turn on ("exit" when finished): the Enter function to turn on ("exit" when finished): exit 3 6
答案 1 :(得分:1)
首先,您需要使用input()从用户那里获得每个函数的答案 然后,您需要为每个函数使用布尔值,以允许或禁止使用该函数:
我认为您正在寻找类似的东西:
def function1():
return 2
def function2():
return 4
def function3():
return 6
use_1 = input("Type T to use 1 ")
use_2 = input("Type T to use 2 ")
use_3 = input("Type T to use 3 ")
x=(use_1=='T')*function1()+(use_2=='T')*function2()+(use_3=='T')*function3()
print(x)