Learning other languages has to start somewhere, so in following a few of the other posts here's how we say please thank you in 10 foreign languages;
1. Spanish
Please: Por favor
Thank you: Gracias
2. French
Please: S’il vous/te plaît (formal/informal)
Thank you: Merci
3. German
Please: Bitte
Thank you: Danke
4. Italian
Please: Per favore
Thank you: Grazie
5. Portuguese
Please: Por favor
Thank you: Obrigado/a
6. Chinese
Please: Qǐng
Thank you: Xièxie nǐ
7. Arabic
Please: Min fádlak (to a man), Min fádlik (to a woman)
Thank you: Shukran
8. Russian
Please: Pazhalsta
Thank you: Spaseeba
9. Japanese
Please: Onegaishimasu
Thank you: Arigatou
10. Swedish
Please: Tack
Thank you: Tack (yes, really)