one line double for loop in python

double_for_loop.py

r = []
for i in range(1, 6):
    for j in range(7, 9):
        r.append((i, j))
print(r)
print(list((i, j) for i in range(1, 6) for j in range(7,9)))

# [(1, 7), (1, 8), (2, 7), (2, 8), (3, 7), (3, 8), (4, 7), (4, 8), (5, 7), (5, 8)]
# [(1, 7), (1, 8), (2, 7), (2, 8), (3, 7), (3, 8), (4, 7), (4, 8), (5, 7), (5, 8)]