[Python] Receive print content of another class at execution time not after the end of the...

What I have tried:

import import_ipynb
import time

class A:
def func1(self):
for i in range(0, 5):
print(i)
time.sleep(1)

class B:
print('Time is:', A().func1())


In class B I want to get print content in class A and add 'Time is:' to the beginning and print it in console. One solution is to return i as a list at the end of function, but I want i as instantaneous, not when the function is fully executed. The code I wrote does not do this correctly.
The output I want is:

Time is: 0
Time is: 1
Time is: 2
Time is: 3
Time is: 4

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