Python | numpy.issubdtype() function

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numpy.issubdtype() function is used to determine whether the first argument is a typecode lower/equal in type hierarchy from second argument.If the first argument is lower or equal it returns true, otherwise it returns false.

Syntax : numpy.issubdtype(arg1, arg2)

Parameters :
arg1, arg2 : [dtype_like] dtype or string representing a typecode.

Return : [bool] Boolean result.

Code #1 :

# Python program explaining 
# numpy.issubdtype() function 
  
# importing numpy 
import numpy as geek 
  
# selecting the argument 
  
arg1 = geek.int64 
arg2 = geek.int32 
  
# output boolean value 
out_val = geek.issubdtype(arg1, arg2) 
print ("Is the first argument lower: ", out_val)  

Output :

Is the first argument lower:  False

Code #2 :

# Python program explaining 
# numpy.issubdtype() function 
  
# importing numpy 
import numpy as geek 
  
# selecting the argument 
  
arg1 ='S2'
arg2 = geek.string_ 
  
# output boolean value 
out_val = geek.issubdtype(arg1, arg2) 
print ("Is the first argument lower: ", out_val)  