python
from taskflow import engines
from taskflow.patterns import linear_flow
from taskflow.task import Task
class TaskA(Task):
def execute(self):
print("Executing Task A")
class TaskB(Task):
def execute(self):
print("Executing Task B")
class TaskC(Task):
def execute(self):
print("Executing Task C")
def main():
flow = linear_flow.Flow("example_flow")
with flow:
taskA = TaskA()
taskB = TaskB()
taskC = TaskC()
flow.add(taskA, taskB, taskC)
flow.link(taskA, taskB)
flow.link(taskB, taskC)
engine = engines.load(flow)
engine.run()
if __name__ == '__main__':
main()
