sq, div2 = [], []

# 1 Classic for loop
for i in range(10):
    sq.append(i**2)
    div2.append(i/2)

# 2 ListComp
[(sq.append(i**2), div2.append(i/2)) for i in range(10)]

# 3 single line for loop
for i in range(10):(sq.append(i**2), div2.append(i/2))

# this is also there but will have multiple loops
sq, div2 = [[i**2 for i in range(10)], [i/2 for i in range(10)]]