我有一个熊猫数据框
df = pd.DataFrame([{'a':'Male','c1':3,'c2':10},{'a':'Male','c1':3, 'c2':30},{'a':'Male','c1':1,'c2':20},{'a':'Female','c1':2,'c2':15},{'a':'Female','c1':2,'c2':100}])
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我想打印以下内容:
a c1 c2
0 Male 3 10
1 30
2 Male 1 20
3 Female 2 15
4 100
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你能帮我吗?