# Create a list of lists
times = [["Jhon"], [23, 15, 18], ["Karen"], [17, 19, 15],
        ["Tom"], [21, 19, 25]]

# Print list
print(times)

>>>

[['Jhon'], [23, 15, 18], ['Karen'], [17, 19, 15], ['Tom'], [21, 19, 25]]