SO-29141609: Which data structure to use in python

def is_number(s):
    try:
        float(s) # for int, long and float
    except ValueError:
        try:
            complex(s) # for complex
        except ValueError:
            return False
    return True

data = '''Some Class|Type 10|Type 11
Class 1|0.971|0.968
Class 2|0.995|0.996
Class 3|0.970|0.971
Class 4|0.969|0.970
Class 5|0.992|0.998
Class 6|0.992|0.998
Class 7|0.980|0.984
Class 8|0.973|0.981
Class 9|0.969|0.978
Class 10|0.992|0.998'''

rows = data.split('\n')
fields = rows[0].split('|')[1:]
objs = []

for row in rows[1:]:
    obj = {}
    for i, col in enumerate(row.split('|')[1:]):
        obj[fields[i]] = float(col) if is_number(col) else col
    objs.append(obj)

for i, obj in enumerate(objs):
    print '#{}: {}'.format(i, obj)

''' Output -----------------------------

#0: {'Type 10': 0.971, 'Type 11': 0.968}
#1: {'Type 10': 0.995, 'Type 11': 0.996}
#2: {'Type 10': 0.970, 'Type 11': 0.971}
#3: {'Type 10': 0.969, 'Type 11': 0.970}
#4: {'Type 10': 0.992, 'Type 11': 0.998}
#5: {'Type 10': 0.992, 'Type 11': 0.998}
#6: {'Type 10': 0.980, 'Type 11': 0.984}
#7: {'Type 10': 0.973, 'Type 11': 0.981}
#8: {'Type 10': 0.969, 'Type 11': 0.978}
#9: {'Type 10': 0.992, 'Type 11': 0.998}

------------------------------------ '''