程序代码：

# A comment,this is so you can read your program later.
# Anything after the # is ignored by python.

print("I could have code like this.") # and the comment after is ignored

# You can also use a conment to "disable" or comment out code:
# print("This won't run.")

print("This will run.")

输出结果

This won't run.
This will run.