python casting
# Casting = Specify a type on to a variable.
# Strings
x = str("s1") # x will be 's1'
y = str(2) # y will be '2'
z = str(3.0) # z will be '3.0'
# Ints
x = int(1) # x will be 1
y = int(2.8) # y will be 2
z = int("3") # z will be 3
# Floats
x = float(1) # x will be 1.0