Python 3.4.3 (v3.4.3:9b73f1c3e601, Feb 24 2015, 22:44:40) [MSC v.1600 64 bit (AMD64)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> int(1)
1
>>> x = int(1)
>>> y = int(2.8)
>>> z = int("3")
>>> print(x)
1
>>> print(y)
2
>>> print(z)
3
>>> x = float(1)
>>> y = float(2.8)
>>> z = float("3")
>>> w = float("4.2")
>>> print(x)
1.0
>>> print(y)
2.8
>>> print(z)
3.0
>>> print(w)
4.2
>>> x = str("s1")
>>> y = str(2)
>>> z = str(3.0)
>>> print(x)
s1
>>> print(y)
2
>>> print(z)
3.0
>>> 
