Commit 72071b75 by BellCodeEditor

auto save

parent 40eb12f4
Showing with 8 additions and 2 deletions
#定义一个函数sum_numbers() #定义一个函数sum_numbers()
#要求这个函数能接收一个名为num的整型参数 #要求这个函数能接收一个名为num的整型参数
#要求这个函数能计算1+2+3+……+num的结果 #要求这个函数能计算1+2+3+……+num的结果
def su(n):
if n == 1:
return 1
a=su(n-1)+2**(n-1)
return a
num = su(64)
print(num)
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