python - 如何在字符串 python 中的每个逗号之前插入一个问号？

Question

python - 如何在python字符串中的每个逗号之前插入一个问号？例如，刺痛将是

string = 'the, quick, brown, fox, jumps, over, the lazy, dog'
print(string)

并且期望的输出是

the?, quick?, brown?, fox?, jumps?, over?, the?, lazy?, dog

标签： pythonpython-3.x

Answer 1

你可以这样做

string.replace(",", "?,")
print(string)

将输出：

'the?, quick?, brown?, fox?, jumps?, over?, the?, lazy?, dog'