Srimad Bhagavatam Canto 07, Chapter 13, Text 15

SB 7.13.15

tam natvabhyarcya vidhivat
 padayoh sirasa sprsan
vivitsur idam apraksin
 maha-bhagavato ’surah
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
The advanced devotee Prahlada Maharaja duly worshiped and offered obeisances to the saintly person who had adopted a python’s means of livelihood. After thus worshiping the saintly person and touching his own head to the saint’s lotus feet, Prahlada Maharaja, in order to understand him, inquired very submissively as follows.
Srimad Bhagavatam Canto 07, Chapter 13, Text 14
Srimad Bhagavatam Canto 07, Chapter 13, Text 16-17