Python_if判断&函数

Python_if判断&函数

Python_if判断&函数

#if判断，运用函数函数进行判断def is_firstlastone(x): if x==0: return 1 elif x>0: return 0 else: return -1 #those only receive once t3.this_month_user_receive_same_coupon_lastone = t3.this_month_user_receive_same_coupon_lastone.apply(is_firstlastone)t3.this_month_user_receive_same_coupon_firstone = t3.this_month_user_receive_same_coupon_firstone.apply(is_firstlastone)t3 = t3[['user_id','coupon_id','date_received','this_month_user_receive_same_coupon_lastone','this_month_user_receive_same_coupon_firstone']]

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def is_firstlastone(x): if x==0: return 1 elif x>0: return 0 else: return -1 #those only receive once t3.this_month_user_receive_same_coupon_lastone = t3.this_month_user_receive_same_coupon_lastone.apply(is_firstlastone)t3.this_month_user_receive_same_coupon_firstone = t3.this_month_user_receive_same_coupon_firstone.apply(is_firstlastone)

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