import memory_profiler
import time

before = memory_profiler.memory_usage()
print(before,"Mb")

def doctor(patients):
    result = []
    for p in patients:
        result.append("Patient %s checkup completed.."%(p))
    return result

patients = range(10000000)
t1 = time.clock()
status = doctor(patients)
for k in status:
    pass
#     print(k)
t2 = time.clock()
after = memory_profiler.memory_usage()
print(after,"Mb")
print("Extra Memory was taken for execution is {} Mb".format(after[0]-before[0]))
print("program execution time is %s Seconds",(t2-t1))

#==========================================With Generators ===========================================================
before = memory_profiler.memory_usage()
print(before,"Mb")
    
def doctor(patients):
    for p in patients:
        yield "Patient %s checkup completed.."%(p)
    
patients = range(10000000)
t1 = time.clock()
status = doctor(patients)
for k in status:
    pass
t2 = time.clock()
after = memory_profiler.memory_usage()
    
print(after,"Mb")
print("Extra Memory was taken for execution is {} Mb".format(after[0]-before[0]))
print("program execution time is %s Seconds",(t2-t1))