def acos(x):
    return 0.0
Asserts <b> query latency <b> output with heading, header & no of node processed(based on row count).
dataset/ETHPy150Open JetBrains/python-skeletons/math.py/acos--crossover with--dataset/ETHPy150Open aerospike/aerospike-admin/test/e2e/test_show.py/TestShowLatency.test_query_latency