human
Check if a string represents a hexadecimal number or not | Function to check if the string represents a hexadecimal number.
Iterate over string.
Check if the character is invalid.
Print true if all characters are valid.
Given string.
Function call"
How can the above be solved in Python?
 ... Write me a code to check if a string represents a hexadecimal number or not and the other steps required?
assistant
#Here is code to check if a string represents a hexadecimal number or not and the other steps required.
 def checkHex ( s ) :
	for ch in s :
		if ( ( ch < '0' or ch > '9' ) and ( ch < ' A ' or ch > ' F ' ) ) :
			print ( " No " )
			return
	print ( " Yes " )
s = " BF57C "
checkHex ( s )