python - Array insertion within a loop with NumPy -


is possible perform np.insert() inside python loop. couldn't perform operation. 

def insert_missing_values(): index = [1,2,3,5,18,36] indexes in index:     np.insert(terror_attacks_per_year, indexes, 0)     print('hello %d',indexes)

what noticed that, np.insert() function not executed inside loop. recommended way of achieving this?

following output obtained. please note there no '0' values in numpy array.

hello %d 1 hello %d 2 hello %d 3 hello %d 5 hello %d 18 hello %d 36  array([  1,   2,   2,   2,   7,  45,  77,  99,  73, 159, 175,  65,  66,         77,  27,  85, 117,  49,  30,  39,  59,  29,   3,   9,  30,  99,        144, 105,  81,  35,   3,   4,  12,  10,   7,   1], dtype=int64)

np.insert supports bulk insertion. don't need call in loop. pass list of indices, , that's enough.

try this:

def insert_missing_values(array, indices):     return np.insert(array, indices, 0)  idx = [1, 2, 3, 5, 18, 36] terror_attacks_per_year = insert_missing_values(terror_attacks_per_year, idx) print (terror_attacks_per_year)

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