ch 2 escape sequences

escape sequence 

|,   single quote

|,,   doble quote

\\     back slash

\n     for line line to print another line not in same line

 \t     tab for more space

like +===

print("line a \n line b")     this can print line A in one line and line 2 in another line

print(r"line a \n  line b ") this can use for print normal text