def quadratic$\_$formula$($a$,$ b$,$ c$)$:

# Calculate the discriminant

delta $=$ b$**2-4*$a$*$c

# Check if the discriminant is non$-$negative

if delta $>=0$:

# Calculate the two solutions using the quadratic formula

x$1=(-$b $+($delta$)**0\mathrm{.}5)/(2*$a$)$

x$2=(-$b $-($delta$)**0\mathrm{.}5)/(2*$a$)$

return x$1,$ x$2$

else:

# If discriminant is negative, return None

return None

# Read input values for a$,$ b$,$ and c

a$,$ b$,$ c $=$ map$($float$,$ input$().$split$())$

# Call quadratic$\_$formula$()$ function

solutions $=$ quadratic$\_$formula$($a$,$ b$,$ c$)$

# Print the solutions

if solutions is not None:

x$1,$ x$2=$ solutions

print$($f$"$Solutions to $\{$a$\}$x$^2+\{$b$\}$x $+\{$c$\}=0")$

print$($f$"$x$1=\{$x$1$:$\mathrm{.}2$f$\}")$

print$($f$"$x$2=\{$x$2$:$\mathrm{.}2$f$\}")$

else:

print$("$No real solutions $($discriminant is negative$)")$