python学习之数组查找

import numpy as np

def FindIndex(source, Destina):
    i = 0;
    for iterating_var in source:
        if(iterating_var == Destina):
            return i;
        elif(iterating_var <= Destina):
            i = i+1;
    return i;

source = [1, 4, 5, 7, 9]
Destina = 6;

Index = FindIndex(source, Destina)

print(Index);