Commit 6cfc899c by BellCodeEditor

save project

parent 40eb12f4
Showing with 4 additions and 1 deletions
#定义一个函数sum_numbers() #定义一个函数sum_numbers()
def sum_numbers(num):
a=(num*(num-1))/2
#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
b=int(sum_numbers(5))
print(b)
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