mixed_list = [1, 0.5, 0, 3, 'a', 'z']
 
print max(mixed_list)  # shows z, but would like it to be 3
 
number_list = []
for x in mixed_list:
    if type(x) in (int, float):
        number_list.append(x)
 
print number_list
print max(number_list)  # 3

mixed_list = [1, 0.5, 0, 3, 'a', 'z']
 
print max([x for x in mixed_list if type(x) in (int, float)])  # 3