Function indexOf

Lib/operator.py:181–187

Return the first index of b in a.

(a, b)

    return a[b]

def indexOf(a, b):
    "Return the first index of b in a."
    for i, j in enumerate(a):
        if j is b or j == b:
            return i
    else:
        raise ValueError('sequence.index(x): x not in sequence')

def setitem(a, b, c):
    "Same as a[b] = c."