a = 2.5;
b = -23.8;
c = 6,23;
c = 6.23;
d = 35e10;
d = 35E10;
e = -15e-4;

print(a);
print(type(a));

print(b);
print(type(b));

print(c);
print(type(c));

print(d);
print(type(d));

print(e);
print(type(e));