format string to float python code example

Example 1: python format float

>>> x = 13.949999999999999999
>>> x
13.95
>>> g = float("{:.2f}".format(x))
>>> g
13.95
>>> x == g
True
>>> h = round(x, 2)
>>> h
13.95
>>> x == h
True

Example 2: string to float python

# Use the function float() to turn a string into a float
string = '123.456'
number = float(string)
number
# Output:
# 123.456

Example 3: string to float in python

float(str)
#ValueError in case of invalid entry like "abc" "12c"