如何在 Python 中将字符串解析为 float 或 int？

Question

In Python, how can I parse a numeric string like "545.2222" to its corresponding float value, 542.2222? Or parse the string "31" to an integer, 31?

I just want to know how to parse a float string to a float, and (separately) an int string to an int.

转载于:https://stackoverflow.com/questions/379906/how-do-i-parse-a-string-to-a-float-or-int-in-python

Answer 1

>>> a = "545.2222"
>>> float(a)
545.22220000000004
>>> int(float(a))
545