Conversion To and From Strings

Conversion To and From Strings

Any value can be converted to a string using str.
Some strings can be converted to int and float.

str(3) # '3'  
float('3') # 3.0  
int('4') # 4  
int('word') # ValueError: invalid literal for int() with base 10: 'word'  
int('4.3') # ValueError: invalid literal for int() with base 10: '4.3'