[英]Pause for loop and wait for user key press every 'n' iterations. - Python
I have for loop which looks like this:我有一个看起来像这样的循环:
for trial in trials:
stim.text = trial[0]
stim.color = trial[1]
win.flip()
isi = random.random() * 2.0
core.wait(isi)
stim.draw()
event.clearEvents()
displaytime = win.flip()
keys = event.waitKeys(keyList=answer_keys.keys(), timeStamped=True)
rt = keys[0][1] - displaytime
trialNum +=1
if trial[0] == trial[1]:
condition = 'congruent'
elif trial[0] != trial[1]:
condition = 'incongruent'
logfile.write('{},{},{},{},{},{:.3f}\n'.format(trialNum, trial[0], trial[1], condition, keys[0], rt))
what I want to do is pause the for loop at a given number of iterations and wait for the users key press to continue.我想要做的是在给定的迭代次数中暂停 for 循环并等待用户按键继续。
So if I supplied the value 5 this would pause the loop every 5 iterations.因此,如果我提供值 5,这将每 5 次迭代暂停循环。
Anymore questions or info required let me know.任何需要的问题或信息让我知道。 All help is greatly appreciated.非常感谢所有帮助。
you can use input
built-n function at your desired number of iterations:您可以在所需的迭代次数中使用input
内置函数:
input("Press Enter to continue...")
let's say that you want at n
iterations to make the pause:假设您希望在n
次迭代中暂停:
n = 7
for i in range(1, 20):
if i % n == 0:
input("Press Enter to continue...")
if you iterate over a list with different kind of elements:如果您迭代具有不同类型元素的列表:
for i, e in enumerate(my_list):
if i % n == 0:
input("Press Enter to continue...")
... other code...
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