by @Melissa Alvarez Puerta Fork
 
id_5e37cb00_971b_4fc6_9c10_c27d10b5b8d9 Begin id_67dde04e_704b_4e17_9f5a_fc763ebe6825 radio = 0 id_5e37cb00_971b_4fc6_9c10_c27d10b5b8d9:s->id_67dde04e_704b_4e17_9f5a_fc763ebe6825:n id_432f9ec7_37de_47de_919f_74c2b2aa5dab radio id_67dde04e_704b_4e17_9f5a_fc763ebe6825:s->id_432f9ec7_37de_47de_919f_74c2b2aa5dab:n id_76922094_4c1d_41b4_9f6b_da3f679c8e18 "El área de la circunferencia es:" id_432f9ec7_37de_47de_919f_74c2b2aa5dab:s->id_76922094_4c1d_41b4_9f6b_da3f679c8e18:n id_7deb628d_1787_4f53_983e_b64076436ff7 3.141592*radio*radio id_76922094_4c1d_41b4_9f6b_da3f679c8e18:s->id_7deb628d_1787_4f53_983e_b64076436ff7:n id_aba08eb6_4647_4bd2_8144_bfcdea3763a6 "la longitud de arco es:" id_7deb628d_1787_4f53_983e_b64076436ff7:s->id_aba08eb6_4647_4bd2_8144_bfcdea3763a6:n id_6f0bb4f0_5fdd_4068_ac19_7ccb24e680a4 2*3.141592*radio id_aba08eb6_4647_4bd2_8144_bfcdea3763a6:s->id_6f0bb4f0_5fdd_4068_ac19_7ccb24e680a4:n id_a68713a0_928e_4c25_8f8f_6b51aabed64d End id_6f0bb4f0_5fdd_4068_ac19_7ccb24e680a4:s->id_a68713a0_928e_4c25_8f8f_6b51aabed64d:n
import math

radio = 0
radio = input("ingrese el radio de la circunferencia")
print("El área de la circunferencia es:")
print(3.141592 * radio * radio)
print("la longitud de arco es:")
print(2 * 3.141592 * radio)