check if string can be converted to int python

1# CHECKING IF INT
2variable='3'
3try:
4    int(variable)
5    # this will execute if it is integer
6    print('You typed an int')
7except ValueError:
8  	# otherwise this will execute
9    print('You did not type an int')
10
11# CHECKING IF FLOAT
12variable='3'
13try:
14    float(variable)
15    print('You typed a float')
16except ValueError:
17    print('You did not type a float')

1if element.isdigit():
2  newelement = int(element)

1try:
2    float(element)
3except ValueError:
4    print "Not a float"

1def isfloat(value):
2  try:
3    float(value)
4    return True
5  except ValueError:
6    return False