solution_053.py

#!/usr/bin/python3
# ===================================================================
# earth's circumference stats
# ===================================================================

# ---- earth's circumference

e_circ_m = 24901.0            # earth's circumference (miles)
e_circ_k = e_circ_m * 1.60934 # earth's circumference (kilometers)


# ---- parts of a circle

circle_degs = 360              # degrees in a circle 
circle_mins = 360 * 60         # minutes in a circle
circle_secs = 360 * 60 * 60    # seconds in a circle


# ---- display earth's circumference in miles

print()
print(f"earth's circumference = {e_circ_m} (miles)")


# ---- calculate and display miles in a degree

d = e_circ_m / circle_degs
print(f'miles in a degree     = {d}')


# ---- calculate and display miles in a minute

m = e_circ_m / circle_mins
print(f'miles in a minute     = {m}')


# ---- calculate and display miles in a second

s = e_circ_m / circle_secs
print(f'miles in a second     = {s}')