In Python, we can use str() to convert float to String.

pi = 3.1415
print(type(pi))  # float
piInString = str(pi)  # float -> str
print(type(piInString))  # str

Output

<class 'float'>
<class 'str'>

References

1. Python docs – str()
2. Python – How to convert int to String
3. Python – How to convert String to float