def test_find_number_false_exponent():
 s = '2e'
 r = find_number(s)
 assert (s[r[0]:r[1]] == '2'), s[r[0]:r[1]]

def test_find_number_false_exponent ( ) : s = '2e' r = find_number ( s ) assert ( s [ r [ 0 ] : r [ 1 ] ] == '2' ) , s [ r [ 0 ] : r [ 1 ] ]
tests that we dont include an e after a number .