python 将元组列表，字典转换为数据帧

Posted 2021-05-08

# convert list of tuples to dataframe
a = []
a.append(('a',1))
a.append(('b',2))
pd.DataFrame(a)

# convert dictionary to dataframe
a = {'a':1, 'b':2}
pd.DataFrame(list(a.items()), columns = ['col1','col2'])
# another way
new_dict = {'key 1': 'value 1', 'key 2': 'value 2', 'key 3': 'value 3'}
pd.DataFrame([new_dict])