我只firstline使用python 阅读:
firstline
with open(file_path, 'r') as f: my_count = f.readline() print(my_count)
我对变量my_count的范围感到困惑.虽然打印工作正常,但是my_count = 0首先使用语句做外部更好(例如在C中用于执行int my_count = 0)
my_count = 0
python scope with-statement
python ×1
scope ×1
with-statement ×1