python check if string is number

1>>> def hasNumbers(inputString):
2...     return any(char.isdigit() for char in inputString)
3... 
4>>> hasNumbers("I own 1 dog")
5True
6>>> hasNumbers("I own no dog")
7False

1'16'.isdigit()
2>>>True
3
4'3.14'.isdigit()
5>>>False
6
7'Some text'.isdigit()
8>>>False

1if type(variable) == int or type(variable) == float:
2    isNumber = True

1
2colors = [11, 34.1, 98.2, 43, 45.1, 54, 54]
3
4for x in colors:
5    if int(x) == x:
6    	print(x)
7        
8    #or
9    if isinstance(x, int):
10      	print(x)
11    

1var.isdigit()
2#return true if all the chars in the string are numbers
3#return false if not all the chars in the string are numbers

1txt = "565543"
2
3x = txt.isnumeric()