# Profile: Python basics
minutes_by_session = [15, 30, 0, 45]
total = 0
active_sessions = 0
for minutes in minutes_by_session:
    if minutes > 0:
        active_sessions = active_sessions + 1
        total = total + minutes
    else:
        print("Rest session")
print("Total minutes:", total)
print("Active sessions:", active_sessions)
for attempt in range(1, 4):
    print("Practice attempt", attempt)
# A while loop needs a condition that eventually becomes false.
remaining = 3
while remaining > 0:
    print("Countdown", remaining)
    remaining = remaining - 1