long in python
"""
longs don't exist in "recent" versions of python. The "int" class will always
fit whichever number you want. The example below illustrates this
"""
my_int = 1
for i in range (100):
my_int *= 2
print (my_int, type(my_int))
# last iteration prints "1267650600228229401496703205376 <class 'int'>"