import numpy as np

# Create a list of tuples with integer values.
lst = [(1, 2, 3), (4, 5, 6)]

# Convert the list into a NumPy record array with integer data types.
rec_arr = np.core.records.fromrecords(lst, dtype=[('a', int), ('b', int), ('c', int)])

# Print the resulting record array.
print(rec_arr)