Python script I want run loop when system time 30 second

Question

I want to run the loop only when the actual system time has 30 seconds mark and then onwards every iteration happens after 1 minute.

import pandas as pd
from datetime import datetime

df = pd. read_excel('data.xlsx')
Time30 = now.replace(hour=00, minute=00, second=30)

for i in df.index:
    entry = df.loc[i]
    now = datetime.now()
    current_time = now.strptime('%S')

    current_time == Time30

    name_input = browser.find_element_by_name('fullname')
   password_input = browser.find_element_by_name('password")


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