Commit 199dee52 by BellCodeEditor

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parent 702badd3
Showing with 16 additions and 5 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 sum_numbers(num): #def sum_numbers(num):
if num == 1: #if num == 1:
#return 1
#return num +sum_numbers(num - 1)
#print(sum_numbers(100))
def f(n):
if n <= 2:
return 1 return 1
return num +sum_numbers(num - 1) else:
a=f(n-1)+f(n-2)
return a
print(sum_numbers(100)) print(f(15))
\ No newline at end of file \ No newline at end of file
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