for i in range(len(s_list)):
for j in range(len(s_val)):
str = '!TAB!' + ' '.join(s_val[j].split()).replace(' ','!TAB!') + '!TAB!'
df['b'][j] = str
s_idx = df[df['b'].str.contains('!TAB!' + s_list[0] + '!TAB!') == True].index.values
print(s_idx)