问题描述
我正在做一个 python 项目,我想在其中创建几个包含相同信息的变量;但是,我无法自己解决这个问题。
而不是写:
a = 1
b = 1
c = 1
等等,我想自动化这个过程。 以下是我迄今为止尝试过的一些示例:
示例 1:
random.randint(0,100) = 1
示例 2:
str(random.randint(0,100)) = 1
示例 3:
class makevariable:
random = 0
setattr(makevariable,'random',random.randint(0,1000))
getattr(makevariable,'random') = 1
解决方法
您可能想要一个 list
(可能是一本字典,dict
)。
import random
my_vars = [random.randint(0,100),random.randint(0,100)] # a list
print(my_vars)
# alternatively..
my_vars = [] # an empty list
for ix in range(3):
my_vars.append(random.randint(0,100)) # add one element at a time
print(my_vars)
# ... or more smoothly constructed using comprehension
my_vars = [random.randint(0,100) for ix in range(3)]
print(my_vars)
# look at just the first element
print(my_vars[0]) # note the list is zero indexed
# look at just the second element
print(my_vars[1])
# how many elements?
print( len(my_vars) )
# doesn't have to be the same type
my_vars = ['fred',3,100/7,"Hello"]
# iterate across the list
for one_var in my_vars:
print(one_var)
等等。 - 查看 Python documentation 和教程。