注释
python中单行注释采用# 开头。
# print("Hello world");.
python没有块注释，所以现在推荐的多行注释也是采用的#。
# This is an apple.
# This is an apple, too.
# This is an apple, too.
# I said that already.
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python中单行注释采用# 开头。
# print("Hello world");.
python没有块注释，所以现在推荐的多行注释也是采用的#。
# This is an apple.
# This is an apple, too.
# This is an apple, too.
# I said that already.