num_1 = 1_000_000 print(num_1)
num_1 = 1_000_000 print(f"{num_1:_}")
num_1 = 1_000_000 print(f"{num_1:,}")
num_1 = 1_000_000.1_111_111_1111 print(num_1) print(f"{num_1:,}")