import math
# uit https://www.piday.org/million/
pi_str = "3.14159265358979323846264338327950288419716939937510582097494459230"  
print(f"pi_str   = {pi_str}")
print(f"pi_float = {float(pi_str):0.30f}")
print(f"math.pi  = {math.pi:0.30f}")