python语句块注释

python注释的三种方法：

1.井号注释单行  #

2.三个单引号或三个双引号注释语句块  " " "

3.井号加两个百分号画出语句块分界线  #%%

"""@author: zhijuan"""#%%def add(x,y):    return x+y #return the sum of x and y#%%'''the mian function'''def main():    a=1    b=2    print(add(a,b))#%%