1. After the death of the testator, any interested person may file a verified petition in the district court of the proper county for any of the following:
a. To have the will admitted to probate.
b. For the appointment of the executor.
c. To request a hearing before the will is admitted to probate.
d. To request a hearing before the appointment of the executor.
e. For the production of the purported will of the decedent to be filed by the person believed by the petitioner to be in possession of the will.
2. Petitions for any of the reasons specified in subsection 1 may be combined.