您可以
str.contains用来掩盖包含“
ball”的行，然后用新值覆盖：
In [71]:df.loc[df['sport'].str.contains('ball'), 'sport'] = 'ball sport'dfOut[71]: name sport0 Bob tennis1 Jane ball sport2 Alice ball sport要使其不区分大小写，请通过`case = False：
df.loc[df['sport'].str.contains('ball', case=False), 'sport'] = 'ball sport'
