![]() ![]() print float('5') # returns 5.0įloat() function with a float value – If a float value is passed as an argument in float() function, returns the float value. print float(5) # returns 5.0įloat() functions with a string containing an integer value – If a string having an integer value is passed as an argument in float() function, returns the float value. print float() # returns 0.0įloat() function with an integer value – If an integer value is passed as an argument in float() function, returns the float value. If you use one of the following, the error will not be thrown.įloat() function with no argument – The default float() function which has no argument passed returns default value 0.0. The following are the valid arguments for float() function. The function float() is used to convert a string to a float number. The string is supposed to have a valid float number. If the string is either empty or does not have a valid float number, the python interpreter will throw an error while parsing the string. If the valid float value is passed to the string, this issue will be resolved. ![]() ValueError: could not convert string to float: Traceback (most recent call last):įile "/Users/python/Desktop/test.py", line 1, in The error “ValueError: could not convert string to float:” will be shown as below the stack trace. In this case, the error “ValueError: could not convert string to float:” is thrown by the python interpreter. If the string is empty or does not contain a valid float number, the python interpreter can not convert it to a float number while parsing the string. The string is supposed to have a valid float number. If an error occurs while converting a string to a float number, the python interpreter will throws this value error. The float function parses the string and converts it as a float number. The float() function is used to convert a string with a float value to a float value. The error is caused by a parsing error in the float() function with a string argument that cannot be parsed as a float number. The python ValueError: could not convert string to float will be thrown. If the python string is not formatted as a floating point number, you could not convert string to float. The ValueError: could not convert string to float error occurs when you try to convert a string that does not contain a float number to a float. ![]()
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