syntaxerror (unicode error) 'unicodeescape' codec can't decode python code example

Example 1: SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 5-6: truncated \UXXXXXXXX escape

#With 'r' works very well. For example:
print(r"C:\Users\Eric\Desktop\beeline.txt")

Example 2: 'unicodeescape' codec can't decode bytes

pandas.read_csv(r"C:\Users\DeePak\Desktop\myac.csv")