What data types could the variable numbers possibly be?

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# While reading some code you come across the following line:
# numbers[0]+=1
# What data types could the variable numbers possibly be?
# set
# Series
# list
#  dict



import pandas as pd
a={0:1,2:3}
b=[1,6,4,5]
c=(1,6,4,5)
d=pd.Series(b)
#------------------------------------

try:
    a[0]+=1
    print(a[0])
except:
    print("faild")
#------------------------------------

try:
    b[0]+=1
    print(b[0])
except:
    print("faild")
#------------------------------------

try:
    c[0]+=1
    print(c[0])
except:
    print("faild")
#------------------------------------
try:
    d[0]+=1
    print(d[0])
except:
    print("faild")

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关键词：Variable possibly Numbers Number Types

2
2
faild
2

dict √
list  √
set ×
Series √