Refactor the following to avoid code clones!

The function you create should be called calculate$\_$course$\_$grade.

$1$

# Student $1$ Grade Calculation

$2$

midterm $=20\mathrm{.}5$

$3$

final $=50$

$4$

final$\_$grade $=$ midterm $*0\mathrm{.}25+$ final $*0\mathrm{.}75$

$5$

$$

$6$

if final $<50$ and final$\_$grade $>45$:

$7$

final$\_$grade $=45$

$8$

$$

$9$

# Student $2$ Grade Calculation

$10$

midterm $=92\mathrm{.}8$

$11$

final $=100$

$12$

final$\_$grade $=$ midterm $*0\mathrm{.}25+$ final $*0\mathrm{.}75$

$13$

$$

$14$

if final $<50$ and final$\_$grade $>45$:

$15$

final$\_$grade $=45$

$16$

$$

$17$

# Student $3$ Grade Calculation

$18$

midterm $=2$

$19$

final $=13$

$20$

final$\_$grade $=$ midterm $*0\mathrm{.}25+$ final $*0\mathrm{.}75$

$21$

$$

$22$

if final $<50$ and final$\_$grade $>45$:

$23$

final$\_$grade $=45$

$24$

$$

$25$

# Student $4$ Grade Calculation

$26$

midterm $=95$

$27$

final $=32$

$28$

final$\_$grade $=$ midterm $*0\mathrm{.}25+$ final $*0\mathrm{.}75$

$29$

$$

$30$

if final $<50$ and final$\_$grade $>45$:

$31$

final$\_$grade $=45$

$32$

$$

$33$

# Student $5$ Grade Calculation

$34$

midterm $=64$

$35$

final $=95\mathrm{.}7$

$36$

final$\_$grade $=$ midterm $*0\mathrm{.}25+$ final $*0\mathrm{.}75$

$37$

$$

$38$

if final $<50$ and final$\_$grade $>45$:

$39$

final$\_$grade $=45$